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

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» E.


Discussion

No Comment Found

Related MCQs