Question

    Find the number of common tangents, if r1 + r2 = C1C2 .(With usual notations, r1 & r2 and C1 & C2 are the radii and centres of the two circles.)

    A 3 Correct Answer Incorrect Answer
    B 4 Correct Answer Incorrect Answer
    D 1 Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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