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The pair of lines represented by 3 a x^(...

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

A

two values of, `a`

B

for all a

C

for one value of `a`

D

for no value of `a`

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A
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