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Two conics a1x^2+2h1xy + b1y^2 = c1, a2x...

Two conics `a_1x^2+2h_1xy + b_1y^2 = c_1, a_2x^2 + 2h_2xy+b_2y^2 = c_2` intersect in 4 concyclic points. Then

A

`(a_(1)-b_(1))h_(2)=(a_(2)-b_(2))h_(1)`

B

`(a_(1)-b_(1))h_(1)=(a_(2)-b_(2))h_(2)`

C

`(a_(1)+b_(1))h_(2)=(a_(2)+b_(2))h_(1)`

D

`(a_(1)+b_(1))h_(1)=(a_(2)+b_(2))h_(2)`

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The correct Answer is:
A
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