Two of the lines represented by the equation \[a{{y}^{4}}+bx{{y}^{3}}+c{{x}^{2}}{{y}^{2}}+d{{x}^{3}}y+e{{x}^{4}}=0\] will be perpendicular, then [Kurukshetra CEE 1998]

\[(b+d)(ad+be)+{{(e+a)}^{2}}(a+c+e)=0\]

\[(b+d)(ad+be)+{{(e-a)}^{2}}(a+c+e)=0\]

\[(b-d)(ad-be)+{{(e-a)}^{2}}(a+c+e)=0\]

\[(b-d)(ad-be)+{{(e+a)}^{2}}(a+c+e)=0\]

Two of the lines represented by the equation \[a{{y}^{4}}+bx{{y}^{3}}+

1.	Two of the lines represented by the equation \[a{{y}^{4}}+bx{{y}^{3}}+c{{x}^{2}}{{y}^{2}}+d{{x}^{3}}y+e{{x}^{4}}=0\] will be perpendicular, then [Kurukshetra CEE 1998]
A.	\[(b+d)(ad+be)+{{(e-a)}^{2}}(a+c+e)=0\]
B.	\[(b+d)(ad+be)+{{(e+a)}^{2}}(a+c+e)=0\]
C.	\[(b-d)(ad-be)+{{(e-a)}^{2}}(a+c+e)=0\]
D.	\[(b-d)(ad-be)+{{(e+a)}^{2}}(a+c+e)=0\]
Answer» B. \[(b+d)(ad+be)+{{(e+a)}^{2}}(a+c+e)=0\]

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Two of the lines represented by the equation \[a{{y}^{4}}+bx{{y}^{3}}+c{{x}^{2}}{{y}^{2}}+d{{x}^{3}}y+e{{x}^{4}}=0\] will be perpendicular, then [Kurukshetra CEE 1998]

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