EAMCET Engineering 2009 Solved Paper
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Question : 132 of 160
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The point ( 3 , − 4 ) lies on both the circles x 2 + y 2 − 2 x + 8 y + 13 = 0 and x 2 + y 2 − 4 x + 6 y + 11 = 0 . Then, the angle between the circles is
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