The two lines represented by 3a x^2+5x y...

The two lines represented by `3a x^2+5x y+(a^2-2)y^2=0` are perpendicular to each other for

A

two values of a

B

`AA` a

C

one value of a

D

no value of a

Verified by Experts

The correct Answer is:

A

NA

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