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For what value of x and y, the complex n...

For what value of x and y, the complex numbers. `9 y^(2)-4-10 x i` and `8 y^(2)+20 i^(7)` are conjugate to each other

A

` x=-2, y=2`

B

`x=-2, y=-1`

C

` x=2, y=2`

D

`x=2, y=-2`

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The correct Answer is:
A
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HIMALAYA PUBLICATION-COMPLEX NUMBERS-QUESTION BANK
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