Mathematics

Mathematics

Problem

The chord of contact of tangents drawn from a point on the circle x2+y2=a2x^2 + y^2 = a^2 to the circle x2+y2=b2x^2 + y^2 = b^2 touches the circle x2+y2=c2x^2 + y^2 = c^2. Show that a,b,ca, b, c are in GP.

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