AP EAMCET Engineering 25 Apr 2017 Shift 1 Paper
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Question : 53 of 160
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If the circle x 2 + y 2 = 9 and x 2 + y 2 − 8 x − 6 y + n 2 = 0 , n ∊ Z have exactly two common tangents, then the number of values for n is
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