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Let z=((1+i)^(2))/(a-i),(agt0) and |z|=(...

Let `z=((1+i)^(2))/(a-i),(agt0)` and `|z|=(2)/(5)` then z is equal to

A

`- (1)/(5) - (3)/(5) i`

B

`-(3)/(5) - (1)/(5) i`

C

`(1)/(5) - (3)/(5) i`

D

`-(1)/(5) + (3)/(5) i`

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The correct Answer is:
A
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