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If (2z(1))/(3z(2)) is purely , an imagin...

If `(2z_(1))/(3z_(2))` is purely , an imaginary number , then `|(z_(1) - z_(2))/(z_(1) + z_(2))|` is equal to

A

`(2)/(3)`

B

`(3)/(2)`

C

`(4)/(9)`

D

1

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The correct Answer is:
D
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