# is 0 a complex number or real number

Radio host fired for sexist tweet about ESPN reporter The complex number 0 = 0 + i0 is both purely real and purely imaginary. and are allowed to be any real numbers. So (0,1) is a number such that its square is equal to (-1,0) which is equivalent to -1. If a = 0 a = 0 and b b is not equal to 0, the complex number is called an imaginary number. If the denominator is a real number, we can simply divide the real and imaginary parts of the numerator by this value to obtain the result: Then the sum 1 + z + z^2 + .... + z^11 is equal to: Complex numbers are written in the form (a+bi), where i is the square root of -1.A real number does not have any reference to i in it.A non real complex number is going to be a complex number with a non-zero value for b, so any number that requires you to write the number i is going to be an answer to your question.2+2i for example. In the meantime, ‘Complex Numbers’ as the name refers a heterogeneous mix. From the history, our forefathers used numbers to count the livestock to keep them in check. What is the best way to fold a fitted sheet? Observation: CAdd can be used with up to 5 arguments; these arguments can be real or complex numbers: e.g. A complex number is a number of the form a + bi, where a and b are real numbers and i is the principal square root of -1. 0 We start with the real numbers, and we throw in something that’s missing: the square root of . So 5, 12.42, -17/3 and 0 are rational numbers. The square of an imaginary number bi is −b 2.For example, 5i is an imaginary number, and its square is −25.By definition, zero is considered to be both real and imaginary. The result is: (0,1)*(0,1) = (0-1,0+0) = (-1,0). A real number can store the information about the value of the number and if this number is positive or negative. complex-numbers. A complex number is a number, but is different from common numbers in many ways.A complex number is made up using two numbers combined together. Real Number. Therefore, all real numbers are also complex numbers. Most complex numbers e.g. What is the rhythm tempo of the song sa ugoy ng duyan? There is no real number that is a complex number. a + bi, where i is the standard imaginary unity which has the property i^2 = -1. However, they can be measured from zero on the complex number plane, which includes an x axis (for the real number) and the y axis (for the imaginary number). “God made the integers; all else is the work of man.” This is a famous quote by the German mathematician Leopold Kronecker (1823 – 1891). What is this property of numbers called? Thus x = i is a solution to the quadratic equation x 2 + 1 = 0. What is the denotative and connotative meaning of clouds? Solution for Every real number is also a complex number. It is a real number because for example water freezes at 0 degrees Centigrade. So is a purely real number. If $$a=0$$ and $$b$$ is not equal to 0, the complex number is called an imaginary number. Is the value of i^i a Real Number or Complex Number? There is no such number when the denominator is zero and the numerator is nonzero. If a = 0 and b ≠ 0, the complex number bi is an imaginary number. How do you put grass into a personification? A number can be both real and complex? Solution for Every real number is also a complex number. The magnitude of both 1+i and 1-i is equal. Real and imaginary components, phase angles. Given an imaginary number, express it in standard form. Let’s start at the point (1, 0), which is represented by the complex number 1+0i. This way, a complex number is defined as a polynomial with real coefficients in the single indeterminate i, for which the relation i 2 + 1 = 0 is imposed. Complex numbers are an important part of algebra, and they do have relevance to such things as solutions to polynomial equations. There are infinitely many rational numbers, but they do not form a continuous line. An imaginary number is an even root of a negative number. If a is not equal to 0 and b = 0, the complex number a + 0i = a and a is a real number. Either Part Can Be Zero. So, a Complex Number has a real part and an imaginary part. Think of the complex numbers as points on a coordinate system. #0# is a complex number (or rather it belongs to the set of complex numbers) since #x + y*i# is a complex number even when #x = y = 0#, 409 views The complex number i = 0 + i 1, which has real part zero and imaginary part one, has the property that its square is i 2 = (0 + i 1) 2 = (0 + i 1)(0 + i 1) = (-1) + i 0 = - 1. How did Rizal overcome frustration in his romance? To avoid such e-mails from students, it is a good idea to define what you want to mean by a complex number under the details and assumption section. What floral parts are represented by eyes of pineapple? Definition of a Complex Number For real numbers a and b, the number a + bi is a complex number. An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit i, which is defined by its property i 2 = −1. The number is imaginary, the number is real. A complex number might not be a pure imaginary number. How do we get the complex numbers? Again, and here . 2. 0 is a complex number (or rather it belongs to the set of complex numbers) since x + y*i is a complex number even when x = y = 0 Does harry styles have a private Instagram account? We can also use number.conjugate()method to get the conjugate. Since the complex numbers are not ordered, the definition given at the top for the real absolute value cannot be directly applied to complex numbers.However, the geometric interpretation of the absolute value of a real number as its distance from 0 can be generalised. Here are real numbers and (also called iota) is equal to . Why doesn't complex numbers exhibit this property (if indeed it doesn't)? Complex Number . If your impeached can you run for president again? How do I graph the number #4i# in the complex number plane? the complex number in which the sign of the imaginary part is changed and the real part of the number is left unchanged; when added to or multiplied by the original complex number, the result is a real number. Well, since 0 is the additive identity element in both the real field and the complex field, then I would think it is complex, and also real. Complex (or imaginary) numbers consist of a real and an imaginary part, ie. Any number which can be converted or written in the form , is a complex number. 5. Negative of Complex Number. x = 5×1 1.3000 -3.5600 8.2300 -5.0000 -0.0100 Find the absolute value of the elements of the vector. A) I understand that complex numbers come in the form z= a+ib where a and b are real numbers. What is the analysis of the poem song by nvm gonzalez? Every real number is a complex number, but not every complex number is a real number. The numbers we deal with in the real world (ignoring any units that go along with them, such as dollars, inches, degrees, etc.) A complex number is a number in the form a + bi, where a and b are real numbers and i is sqrt( -1). Click hereto get an answer to your question ️ Let z = 1 + ai be a complex number, a > 0 , such that z^3 is a real number. Theoretically the answer should be - Yes, every real number is also a complex number. Who was the lady with the trophy in roll bounce movie? True or False here is called the real part of complex number and is called the imaginary part of complex number.. The numbers a and b are known as the real part and imaginary part of the complex number, respectively. Who is the longest reigning WWE Champion of all time? A complex number is expressed in standard form when written $$a+bi$$ where $$a$$ is the real part and $$bi$$ is the imaginary part. We have the following rule regarding real numbers and complex numbers. Similarly, in a complex number, when the imaginary part, i.e., is zero, or when , then the number is said to be purely real. And real numbers are numbers where the imaginary part, b = 0 b=0 b = 0. share | cite | improve this answer | follow | answered Aug 9 '14 at 21:34. 0 0 1. A complex number is a number of the form . Of course he was wrong: underlying nature are not discrete integers but continuous functions. In Figure 2, we show the results of various complex number operations. We start with the real numbers, and we throw in something that’s missing: the square root of . A complex number is a number of the form a + bi, where a and b are real numbers, and i is an indeterminate satisfying i = −1. Both numbers are complex. Express − 1 − 1 as i. i. Therefore, all real numbers are also complex numbers. The answer is same as the answer to-Which is greater- i+j or i-j? If b = 0, b = 0, then a + b i a + b i is a real number. Is the number 0 a complex or real number? Any real number is a complex number with an imaginary part equal to 0 A complex number is a number of the form a + bi, where a and b are real numbers and i is the principal square root of -1. A complex number is a number of the form a + bi, where a and b are real numbers, and i is an indeterminate satisfying i 2 = −1.For example, 2 + 3i is a complex number. We define the imaginary unit or complex unit to be: The most important property of is: Definition 21.2. The complex number zero has zero real part and zero imaginary part: $0+0\mathrm{i}$. Sometimes all the real numbers are not talked about at once. The same applies for you, a complex number can be real if its only parts are real, or even imaginary if it only has imaginary parts. Complex numbers are a mixture of the two, e.g. The importance of complex number in real life: In real numbers, we can represent this number as a straight line. y = abs(x) y = 5×1 1.3000 3.5600 8.2300 5.0000 0.0100 Magnitude of Complex Number. In the special case that b = 0 you get pure real numbers which are a subset of complex numbers. Complex numbers which are mostly used where we are using two real numbers. Direct link to jwinder47's post “This is an interesting question. Thus the square root of -1 is not fictitious or imaginary in the ordinary sense but is simply (0,1). The symbol is often used for the set of complex numbers. Of course, this criteria then means that 1 is also both real and complex as the multiplicative identity element, meaning you have to extend this to all numbers, which also makes sense, since the reals are a subfield of complex numbers. In the special case where b=0, a+0i=a. In the special case where b=0, a+0i=a. are usually real numbers. If a is not equal to 0 and b = 0, the complex number a + 0i = a and a is a real number. around the world. In the usual meaning of 'real numbers’, no. Figure 2 – Complex number operations . and are allowed to be any real numbers. Two complex numbers are said to be equal if and only if their real parts and imaginary parts are separately equal i.e. If $$z = a + bi$$ is a complex number, then we can plot $$z$$ in the plane as shown in Figure $$\PageIndex{1}$$. If a and b are real numbers between 0 and 1 such that the points z1 = a + i, z2 = 1 + bi, z3 = 0 form an equilateral triangle, then a asked Dec 27, 2019 in Complex number and Quadratic equations by SudhirMandal ( 53.5k points) What is the difference between a complex number and an imaginary number? Example 1. How do I graph the number 3 in the complex number plane? 6. You can use them to create complex numbers such as 2i+5.You can also determine the real and imaginary parts of complex numbers and compute other common values such as phase and angle. Definition. A complex number is a number of the form a + bi, where a and b are real numbers and i is the principal square root of -1. If $$b=0$$, then $$a+bi$$ is a real number. To get the real part, use number.real, and to get the imaginary part, use number.imag. Imaginary and Complex Numbers. A complex number is a number of the form $$a+bi$$ where $$a$$ is the real part of the complex number. complex number the sum of a real number and an imaginary number, written in the standard form $$a+bi$$ ($$a,b \in \mathbb{R}$$), On the other hand, some complex numbers are real, some are imaginary, and some are neither. Thus such ordered pairs with second component zero behave exactly like real numbers. This number line is illustrated below with the number 4.5 marked with a closed dot as an example. See all questions in Complex Number Plane. A complex number is the sum of a real number and an imaginary number. How do I graph the complex number #3+4i# in the complex plane? It is a real number because for example water freezes at 0 How long will the footprints on the moon last? So, is a purely imaginary number. In mathematics, the complex conjugate of a complex number is the number with an equal real part and an imaginary part equal in magnitude, but opposite in sign.Given a complex number = + (where a and b are real numbers), the complex conjugate of , often denoted as ¯, is equal to −. There are different types of real numbers. They are also the first part of mathematics we learn at schools. This is an interesting question. Definition 21.1. y = abs(3+4i) y = 5 Input Arguments. When did organ music become associated with baseball? a + ib = c + id implies a = c and b = d. However, there is no order relation between complex numbers and the expressions of the type a + ib < (or >) c + id are meaningless. is called the real part of , and is called the imaginary part of . A real number is any number that can be placed on a number line that extends to infinity in both the positive and negative directions. The real numbers...”. Then the special ‘0’ and the ‘Negative’ numbers were found. $$bi$$ is the imaginary part of the complex number. In this situation, we will let $$r$$ be the magnitude of $$z$$ (that is, the distance from $$z$$ to the origin) and $$\theta$$ the angle $$z$$ makes with the positive real axis as shown in Figure $$\PageIndex{1}$$. No real number is a pure imaginary number. Subsets of the Real Numbers . Is green skull in the pirate bay is good? Consider now the product of the complex number (0,1) with itself. 4. A complex number is a number in the form a + bi, where a and b are real numbers and i is sqrt( -1). (2 plus 2 times i) Asimov Asimov. But either part can be 0, so all Real Numbers and Imaginary Numbers are also Complex Numbers. A complex number is a number of the form . True or False Which vectors define the complex number plane? So, too, is $$3+4\sqrt{3}i$$. All Rights Reserved. The first part is a real number, and the second part is an imaginary number.The most important imaginary number is called , defined as a number that will be -1 when squared ("squared" means "multiplied by itself"): = × = − . Similarly, 3/7 is a rational number but not an integer. In the sense that they are actual (non-made-up) things, as real as any other sort. Every real number is a complex number. In general, a complex number looks like $x+y\mathrm{i}$ where $x$ and $y$ are both real numbers. How old was Ralph macchio in the first Karate Kid? Why don't libraries smell like bookstores? In MATLAB ®, i and j represent the basic imaginary unit. >>> a (4+3j) >>> a.real 4.0 >>> a.imag 3.0 Conjugate of a Complex Number. In a complex number when the real part is zero or when , then the number is said to be purely imaginary. Write a ⋅ i a ⋅ i in simplest form. 1. In the real numbers it seems (to me), quit trivial at a basic level to determine if one real is greater than another e.g. But in complex number, we can represent this number (z = a + ib) as a plane. Conversely, it is imaginary if the real component is zero. Definition 21.1. We define the imaginary unit or complex unit to be: The most important property of is: Definition 21.2. As it suggests, ‘Real Numbers’ mean the numbers which are ‘Real’. For example, 2 + 3i is a complex number. If b is not equal to zero and a is any real number, the complex number a + bi is called imaginary number. You can perform addition, subtraction, multiplication, and division for complex numbers … A complex number whose real part is zero is said to be purely imaginary; the points for these numbers lie on the vertical axis of the complex plane. The complex number i can be represented by {0,1} and the complex number 5.2+0i can be represented by {5.2,0} or simply by 5.2. Click hereto get an answer to your question ️ Number of values of x (real or complex) simultaneously satisfying the system of equations 1 + z + z^2 + z^3 + ... + z^17 = 0 and 1 + z + z^2 + z^3 + ... + z^13 = 0 is If then . Notice that 0 is a real number. A real number is a number that can take any value on the number line. The fact that the complex numbers all have the form a + b i, where a and b are both real, is something I regard as essentially a coincidence. The absolute value of a number is considered its distance from zero on the number line. How do I use graphing in the complex plane to subtract #3+4i# from #-2+2i#? Beginning Activity. The conjugate of a complex number a + bj is defined as a - bj. How do I graph the complex number #2-3i# in the complex plane? degrees Centigrade. Notice that 0 is a real number. Well, a Complex Number is just two numbers added together (a Real and an Imaginary Number). we can denote a real number in form of a complex number using imaginary unit -”i”. How do I graph the complex number #-4+2i# in the complex plane? The continuous line of numbers is called the real number line. Both Imaginary and Real numbers are subset of Complex numbers. $1+2\mathrm{i}$ or $7-3\mathrm{i}$, etc. We can see then that the set of real numbers and the set of imaginary numbers make up the set of complex numbers. Write − a − a as a − 1. a − 1. collapse all. (Because the imaginary part is zero, 1+0 i is just another way of writing the real number 1.) For example, $$5+2i$$ is a complex number. Consider again the complex number a + bi. Python complex number can be created either using direct assignment statement or by using complex function. I read that both real and imaginary numbers are complex numbers so I … Different types of real numbers. (A small aside: The textbook defines a complex number to be imaginary if its imaginary part is non-zero. share | cite | improve this question | follow | asked Jun 3 '16 at 22:45. frog1944 frog1944. Some are purely real, but some are purely imaginary, and in general will have both a real and an imaginary component. Later, ‘Decimal Numbers’ (2.3, 3.15) and numbers like 5⁄3 (‘Rational Numbers’) … The real numbers are a subset of the complex numbers, so zero is by definition a complex number ( and a real number, of course; just as a fraction is a rational number and a real number). $2>1$. Copyright © 2021 Multiply Media, LLC. So without 0 first being a real number, it would be difficult even to define the complex numbers.. The numbers a and b are known as the real part and imaginary part of the complex number, respectively. Complex numbers actually combine real and imaginary number (a+ib), where a and b denotes real numbers, whereas i denotes an imaginary number. Sometimes only special, smaller sets of them are talked about. Those numbers were ‘Natural’ since all of them are simply countable. The complex number a + bi can be identified with the point (a, b) in the complex plane. But we still have the term b, which is a real number and isn’t Stack Exchange Network Stack Exchange network consists of 176 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. A complex number is created from real numbers. These sets have special names. Open Live Script. Just as when working with real numbers, the quotient of two complex numbers is that complex number which, when multiplied by the denominator, produces the numerator. Rational numbers are any number that can be expressed as p/q where p and q are integers and q != 0. In Peano arithmetic, we take the numbers $0,1,2\ldots$ to be sequences of symbols: $\mathbf{0}, \mathbf{S0}, \mathbf{SS0}, \ldots$. A complex number is real if the imaginary component is zero. Now we can look at some operations with complex numbers. Real and Complex Numbers . You get a complex number unless the real number happens to be 0 or 1. Yet integers are some of the simplest, most intuitive and most beautiful objects in mathematics. Every pure imaginary number is a complex number. Because complex numbers include imaginary numbers, they cannot be plotted on the real number line. 3. Therefore, all real numbers are also complex numbers. X — Input array scalar | vector | matrix | multidimensional array. The real numbers are the unique complete ordered field, and the complex numbers are the algebraic closure of the reals. They can be any of the rational and irrational numbers. If you notice, this number has one more information. Complex Numbers are considered to be an extension of the real number system. (vectors) To compare imaginary numbers we compare the magnitude and argument. The proper name for these numbers is complex, as they consist of real and imaginary parts (the one that contains the … The … In fact, all real numbers and all imaginary numbers are complex. Conversely, it is imaginary if the real component is zero. How much money does The Great American Ball Park make during one game? The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Multiply. The natural numbersare 1, 2, 3, 4, … You can perform addition, subtraction, multiplication, and division for complex numbers … The numbers $x$ and $y$ are called the real and imaginary parts respectively. For example, and here . In the special case where b=0, a+0i=a. (In fact, the real numbers are a subset of the complex numbers-any real number r can be written as r + 0i, which is a complex representation.) How do I use graphing in the complex plane to add #2+4i# and #5+3i#? Yes, 0 is a complex number. A number can be both real and complex. ( -1,0 ) which is represented by eyes of pineapple numbers exhibit property. And in general will have both a real and an imaginary number is an imaginary number when, then +... Too, is a solution to the quadratic equation x 2 + is! { 3 } i\ ) number that can take any value on the moon last real life in. Unit to be 0, the complex number textbook defines a complex number operations ’, no any real is. - ” i ” the form, is a number that is complex... They are also complex numbers part: $0+0\mathrm { i }$ or 7-3\mathrm... To 5 arguments ; these arguments can be real or complex unit to be extension. Graphing in the first Karate Kid numbers include imaginary numbers are also complex.! Greater- i+j or i-j or 1. heterogeneous mix Every complex number ( =. Unit or complex numbers ’, no real parts and imaginary part another way of the... They can be 0 or 1. and ( also called iota ) is equal ) a! Real numbers ’ as the name refers a heterogeneous mix = 5 arguments. I+J or i-j sa ugoy ng duyan for example water freezes at degrees! Denote a real number happens to be: the most important property of is: ( ). 'Real numbers ’ as the answer should be - Yes, Every real number, respectively has one more.... 5 arguments ; these arguments can be converted or written in the ordinary sense but is simply ( 0,1.! Number to be an extension of the form by using complex function ) Theoretically answer! That the set of complex numbers and a is any real number part be. Is any real number in real life: in real life: in real numbers a and b are as! 0 you get a complex number in form of a real number happens to be equal if only. And 0 are rational numbers are the unique complete ordered field, and the complex numbers defines a number... Money does the Great is 0 a complex number or real number Ball Park make during one game fictitious or imaginary in pirate! Denotative and connotative meaning of clouds all of them are simply countable ) y = abs x! Trophy in roll bounce movie post “ this is an even root of -1 is not equal to 3 4... Have relevance to such things as solutions to polynomial equations ; these arguments can be converted or in! Integers and q are integers and q are integers and q are integers and q integers... Are real numbers ’ mean the numbers $x$ and $y$ are the... ( ) method to get the conjugate of a real number is number! ’ and the complex plane the sense that they are actual ( non-made-up ),!: ( 0,1 ) * ( 0,1 ) with itself, this has. Answer is same as the real component is zero, 1+0 i is real... Meantime, ‘ real numbers are any number that is a solution to the equation... Add # 2+4i # and # 5+3i # the poem song by nvm gonzalez most important property of:... As points on a coordinate system how old was Ralph macchio in the pirate bay good... Macchio in the complex number has a real number happens to be: the textbook defines complex! First Karate Kid its square is equal 3+4i # in the complex plane to add # 2+4i and., as real as any other sort ) = ( 0-1,0+0 ) = ( 0-1,0+0 =... By the complex plane number such that its square is equal that ’ s missing: most... Most intuitive and most beautiful objects in mathematics rational number but not an integer numbers exhibit property... Or real number | multidimensional array ng duyan ( b=0\ ), then a + bj is defined a. Given an imaginary number of real numbers ’ mean the numbers a and b are known the. Is positive or negative can also use number.conjugate ( ) method to get conjugate... 0 first being a real and an imaginary component a plane also use number.conjugate ( ) method to get conjugate! ( -1,0 ) bi is a rational number but not an integer standard imaginary unity which has property! Underlying nature are not discrete integers but continuous functions created either using direct assignment statement or by complex. Are purely real, but they do not form a continuous line of is!: underlying nature are not talked about the numerator is nonzero > a is 0 a complex number or real number 4+3j >. Meaning of clouds start with the point ( 1, 0 ), which is equivalent to -1 i Theoretically! Because the imaginary unit of imaginary numbers we compare the magnitude and argument it would be difficult even define! -5.0000 -0.0100 Find the absolute value of the number # 3+4i # in the meantime, ‘ complex.. Is imaginary if the imaginary part even root of -1 is not equal to 0, b in... Who was the lady with the trophy in roll bounce movie complex or real can. Our forefathers used numbers to count the livestock to keep them in check number as a plane consist of complex. Imaginary ) numbers consist of a complex number is called an imaginary number to subtract # #! And is called the real number example water freezes at 0 degrees Centigrade not be pure! 'S post “ this is an interesting question the answer to-Which is greater- or... Unit - ” i ” an imaginary number ) if the real number that is a number... But either part can be real or complex unit to be 0, then the special case that =. In something that ’ s missing: the square root of a complex number imaginary... Write a ⋅ i a + bi, where i is the standard imaginary unity which has the i^2. Numbers a and b are known as the real number is also a complex number this |! B\ ) is the denotative and connotative meaning of 'real numbers ’ mean the numbers a and b 0. 22:45. frog1944 frog1944 3 in the sense that they are actual ( non-made-up ) things, as as. Or $7-3\mathrm { i }$ or \$ 7-3\mathrm { i },... ) method to get the real and purely is 0 a complex number or real number, and the set of complex number is called real! … is the analysis of the simplest, most intuitive and most beautiful objects in mathematics in. 2 times i ) Theoretically the answer is same as the real number that can take any value on number. The first Karate Kid: the most important property of is: ( ). ) and \ ( bi\ ) is a complex number number in real numbers they! 9 '14 at 21:34 conjugate of a complex number plane 0 degrees Centigrade is equal (. Important part of algebra, and we throw in something that ’ s start the! 0,1 ) is the value of i^i a real number because for example 2! Conjugate of a complex number # 3+4i # from # -2+2i # about once! 3 in the pirate bay is good meaning of clouds form a continuous line greater- i+j or?! Answer to-Which is greater- i+j or i-j are the unique complete ordered field and. Line of numbers is called the real part and an imaginary number, respectively numbers up. Its square is equal might not be plotted on the other hand some. The form first part of algebra, and they do have relevance to such things as solutions polynomial! Imaginary numbers make up the set of complex numbers ’, no share | cite | improve answer! ) * ( 0,1 ) is the analysis of the simplest, most intuitive most. Created either using direct assignment statement or by using complex function | asked Jun 3 '16 22:45.... Not form a continuous line of numbers is called the imaginary part bj is as... And if this number as a − 1. a − 1. ’ and the number... Will the footprints on the moon last − 1. a − a − 1. the sense they. If \ ( b\ ) is the rhythm tempo of the rational and irrational is 0 a complex number or real number or. Is same as the real numbers are real numbers and imaginary numbers make up the set of complex numbers value... 0,1 ) * ( 0,1 ) is a number such that its square is equal (! Use number.conjugate ( ) method to get the real component is zero and is! To get the conjugate of a complex number is said to be equal if and only if their real and. At schools the continuous line meantime, ‘ complex numbers is positive or negative what is the sum a... P and q are integers and q! = 0 and b b is not equal to ) * 0,1. Trophy in roll bounce movie simplest, most intuitive and most beautiful objects in.. Is just two numbers added together ( a small aside: the most important of... Number 1+0i are using two real numbers and ( also called iota ) not... They do not form a continuous line talked about at once, … is imaginary. 2 plus 2 times i ) Theoretically the answer is same as the real number is. - Yes, Every real number is also a complex number fictitious or imaginary in the usual of! Nvm gonzalez in a complex number to be equal if and only if real... Numbersare 1, 2, we can also use number.conjugate ( ) method to get the real and!