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Let z=a-i/2,a inRR " Then "|i+z|^2-|i-z|...

Let `z=a-i/2,a inRR " Then "|i+z|^2-|i-z|^2=`

A

2

B

`-2`

C

4

D

`-4`

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-COMPLEX NUMBERS -EXERCISE 1
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