If the coordinate axes are the bisectors...

If the coordinate axes are the bisectors of the angles between the pair of lines `a x^(2)+2 h x y+b y^(2)=0`where `h^(2)>a b` and `a ne b,` then

A

a+b=0

B

h=0

C

`h ne 0, a+b =0`

D

`a+b ne 0`

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The correct Answer is:

B

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