If the pair of lines \[a{{x}^{2}}+2(a+b)xy+b{{y}^{2}}=0\] lie along diameters of a circle and divide the circle into four sectors such that the area of one of the sectors is thrice the area of another sector then [AIEEE 2005]

\[3{{a}^{2}}-10ab+3{{b}^{2}}=0\]

\[3{{a}^{2}}+10ab+3{{b}^{2}}=0\]

\[3{{a}^{2}}+2ab+3{{b}^{2}}=0\]

\[3{{a}^{2}}-2ab+3{{b}^{2}}=0\]

If the pair of lines \[a{{x}^{2}}+2(a+b)xy+b{{y}^{2}}=0\] lie along di

1.	If the pair of lines \[a{{x}^{2}}+2(a+b)xy+b{{y}^{2}}=0\] lie along diameters of a circle and divide the circle into four sectors such that the area of one of the sectors is thrice the area of another sector then [AIEEE 2005]
A.	\[3{{a}^{2}}+10ab+3{{b}^{2}}=0\]
B.	\[3{{a}^{2}}+2ab+3{{b}^{2}}=0\]
C.	\[3{{a}^{2}}-10ab+3{{b}^{2}}=0\]
D.	\[3{{a}^{2}}-2ab+3{{b}^{2}}=0\]
Answer» C. \[3{{a}^{2}}-10ab+3{{b}^{2}}=0\]

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If the pair of lines \[a{{x}^{2}}+2(a+b)xy+b{{y}^{2}}=0\] lie along diameters of a circle and divide the circle into four sectors such that the area of one of the sectors is thrice the area of another sector then [AIEEE 2005]

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