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If frac{(1+i)^3}{(1-i)^3}-frac{(1-i)^3}...

If `frac{(1+i)^3}{(1-i)^3}-frac{(1-i)^3}{(1+i)^3} = x+iy`, then

A

`A.x=0,y=-2`

B

`B.x=-2,y=0`

C

`C.x=1,y=1`

D

`D.x=-1,y=1`

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