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If z and w are two non-zero complex numb...

If z and w are two non-zero complex numbers such that `|zw|=1` and `Arg (z) -Arg (w) =pi/2`, then `bar z` w is equal to :

A

`-1`

B

i

C

`-i`

D

1

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MODERN PUBLICATION-LINEAR INEQUATIONS-EXERCISE
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  7. If z1a n dz2 are two nonzero complex numbers such that |z1+z2|=|z1|+|z...

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