Answer
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Hint: The cartesian form of a complex number is represented in a two – dimensional plane . Let \[a + ib\] be a complex number , here \[a\] represents the real part of the complex number and \[b\] represents the imaginary part of the complex number .
Complete step-by-step answer:
A complex number system is a form of number system in which imaginary numbers are represented . The cartesian plane of the complex number has two axes - one is the imaginary axis and the other one is the real axis . For better understanding , let us take an example :
Let \[{z_1} = a + ib\] be a complex number . Let us plot it on a cartesian plane .
The real number is called the subset of the complex number as when we have \[b = 0\] . Also , the conjugate of a complex number can be represented on cartesian plane such as :
\[{z_2} = \overline {a + ib} \] can be represented as ,
Therefore , the imaginary part will become negative after taking the conjugate of a complex number . A complex number can be represented in a Cartesian axis diagram with a real and an imaginary axis - also known as the Argand diagram .
Note: The argument of a complex number can be calculated by taking \[\tan \] of slope of the point . The argument of \[\overline {{z_1}} \] depends upon the quadrant in which point \[{z_1}\] lies . The conjugate of a complex number is represented by \[\overline {{z_1}} \] which is equal to \[\overline {{z_1}} = a - ib\] . The plane on which a complex number is represented is also known as the Gaussian plane .
Complete step-by-step answer:
A complex number system is a form of number system in which imaginary numbers are represented . The cartesian plane of the complex number has two axes - one is the imaginary axis and the other one is the real axis . For better understanding , let us take an example :
Let \[{z_1} = a + ib\] be a complex number . Let us plot it on a cartesian plane .
![seo images](https://www.vedantu.com/question-sets/6e79bc89-3517-44ac-a169-114a508276433679223885729857764.png)
The real number is called the subset of the complex number as when we have \[b = 0\] . Also , the conjugate of a complex number can be represented on cartesian plane such as :
\[{z_2} = \overline {a + ib} \] can be represented as ,
![seo images](https://www.vedantu.com/question-sets/f7436387-e4ad-46c7-b387-dd02ae160cc28262698340191461671.png)
Therefore , the imaginary part will become negative after taking the conjugate of a complex number . A complex number can be represented in a Cartesian axis diagram with a real and an imaginary axis - also known as the Argand diagram .
Note: The argument of a complex number can be calculated by taking \[\tan \] of slope of the point . The argument of \[\overline {{z_1}} \] depends upon the quadrant in which point \[{z_1}\] lies . The conjugate of a complex number is represented by \[\overline {{z_1}} \] which is equal to \[\overline {{z_1}} = a - ib\] . The plane on which a complex number is represented is also known as the Gaussian plane .
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