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If the pair of lines ax^(2)+2 h x y+b ...

If the pair of lines ` ax^(2)+2 h x y+b y^(2)+2 g x+2 f y+c=0` intersect on `y` -axis then

A

`2 f g h=b g^(2)+c h^(2)`

B

`b g^(2) ne c h^(2)`

C

`a b c=2 f g h`

D

none of these

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The correct Answer is:
A
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