Graphically, the conjugate of a complex number is its reflection on the real axis.
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When a complex number is multiplied by its conjugate, the product is a real number and the imaginary number disappears.
To get the complex conjugate, change the sign in front of the imaginary part. Thus, the complex conjugate of -4 + 5i is -4 - 5i.
You multiply the numerator and the denominator of the complex fraction by the complex conjugate of the denominator.The complex conjugate of a + bi is a - bi.
The conjugate is 7-5i
To find the complex conjugate of a number, change the sign in front of the imaginary part. Thus, the complex conjugate of 14 + 12i is simply 14 - 12i.