4.a Tangents are drawn from the point (h, k) to the circle x2y? - a, p – InterviewSolution

1.	4.a Tangents are drawn from the point (h, k) to the circle x2y? - a, prove that the area of the trianglea(h2+k2 -a2)322 ,k2formed by them and the straight line joining their points of contact isC.
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