If z1,z2 are complex numbers such that, ...

If `z_1,z_2` are complex numbers such that, `(2z_1)/(3z_2)` is purely imaginary number then find `|(z_1-z_2)/((z_1+z_2)|`.

A

`3//2`

B

1

C

`2//3`

D

`4//9`

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The correct Answer is:

B

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