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If amp(z1z2)=0 and absz1=absz2=1, then...

If amp`(z_1z_2)=0` and `absz_1=absz_2=1`, then

A

`z_1+z_2=0`

B

`z+1=barz_2`

C

`z_1z_2=1`

D

`z_1z_2=1-i`

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The correct Answer is:
B, C
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