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If |z1 + z2|=|z1| + |z2|, then one of th...

If `|z_1 + z_2|=|z_1| + |z_2|`, then one of the value of arguments of the complex number `(z_2)/(z_1)` is

A

0

B

`pi`

C

`2pi`

D

`3pi`

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The correct Answer is:
A, C
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