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Co - ordinate Geometry Pair of Lines

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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

A. 3a² + 10ab + 3b² = 0

B. 3a² + 2ab + 3b² = 0

C. 3a² - 10ab + 3b² = 0

D. 3a² - 2ab + 3b² = 0

E. None of the above

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Correct choice: B

Explanation:

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Eamcet Mathematics Co - ordinate Geometry Pair of Lines

Eamcet Mathematics
Co - ordinate Geometry Pair of Lines