. Tangents are drawn from any point on the circle x^2 + y^2 = R2
Tangents are drawn from any point on the circle x2 + y2 = R2 to the circlo x2 + y2 r2. If the line joining the points of intersection of tnese tangents with the first circle also touch the second, then R equals
(A): √2r
(B): 2r
(C): 2r/2-√3
(D): 4r/3-√5
Best Answer
Correct Answer is:
(B): 2r
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