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Tangents are drawn from the point (h,k) to the circle x 2 +y 2 =a 2 ; prove that the area of the triangle formed by the straight line joining their points of contact is (a(h 2 +k 2 -a 2 ) 3/2 )/(h 2 +k 2 )

Tangents are drawn from the point (h,k) to the circle x2+y2=a2; prove that the area of the triangle formed by the straight line joining their points of contact is


(a(h2+k2-a2)3/2)/(h2+k2)

Grade:12

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
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