point on the common chord of two intersecting circles, tangents be drawn to
If from any point on the common chor
the circles, prove that they are equal.
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Consider PT be a tangent to the circle from an external point P and a secant to the circle through P intersects the circle at points A and B, then PT2 = PA × PB . This property is used to solve the given question. ... Suppose A is a point on the common chord and AM and AN be the tangents drawn from A to the circle.
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