यदि z1 व z(2) दो समिश्र संख्या है , ...

यदि `z_1` व `z_(2)` दो समिश्र संख्या है , तब `|z_(1) + z_(2)|^(2) + |z_(1) - z_(2)|^(2)` का मान होगा -

A

`2 |z_(1)|^(2) + |z_(2)|^(2)`

B

`2 |z_(1)|^(2) + 2 |z_(2)|^(2)`

C

`|z_(1)|^(2) + |z_(2)|^(2)`

D

`2 |z_(1)| | z_(2)|`

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The correct Answer is:

B

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