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# If the pair of lines ax2 + 2(a + b)xy + by2 = 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 ?

SHAIK AASIF AHAMED
7 years ago
Hello student,
From the given data
$\dpi{80} \frac{2\sqrt{(a+b)^{2}-ab}}{a+b}=1$
(a+b)2=4(a2+b2+ab)
3a2+3b2+2ab=0
Thanks and Regards
Shaik Aasif