If the equation \[a{{x}^{2}}+2hxy+b{{y}^{2}}=0\]has the one line as the bisector of angle between the coordinate axes, then [Bihar CEE 1990]

If the equation \[a{{x}^{2}}+2hxy+b{{y}^{2}}=0\]has the one line as th

1.	If the equation \[a{{x}^{2}}+2hxy+b{{y}^{2}}=0\]has the one line as the bisector of angle between the coordinate axes, then [Bihar CEE 1990]
A.	\[{{(a-b)}^{2}}={{h}^{2}}\]
B.	\[{{(a+b)}^{2}}={{h}^{2}}\]
C.	\[{{(a-b)}^{2}}=4{{h}^{2}}\]
D.	\[{{(a+b)}^{2}}=4{{h}^{2}}\]
Answer» E.

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If the equation \[a{{x}^{2}}+2hxy+b{{y}^{2}}=0\]has the one line as the bisector of angle between the coordinate axes, then [Bihar CEE 1990]

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