A) A real number
B) A imaginary number
C) Both are real numbers
D) Both are imaginary numbers
Correct Answer: C
Solution :
Here \[z+\overline{z}=(x+iy)+(x-iy)=2x\](Real) and \[z\overline{z}=(x+iy)(x-iy)={{x}^{2}}+{{y}^{2}}\] (Real).You need to login to perform this action.
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