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If z(1),z(2) and z(3), z(4) are two pair...

If `z_(1),z_(2)` and `z_(3), z_(4)` are two pairs of conjugate complex numbers, the find the value of `arg(z_(1)/z_(4)) + arg(z_(2)//z_(3))`.

A

0

B

`(pi)/(2)`

C

`pi`

D

`(3pi)/(2)`

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