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If za n dw are two complex number such t...

If `za n dw` are two complex number such that `|z w|=1a n da rg(z)-a rg(w)=pi/2` , then show that ` z w=-idot`

A

1

B

`-1`

C

i

D

`-i`

Text Solution

Verified by Experts

The correct Answer is:
D
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