AP EAPCET 18th May 2023 Shift 1 Solved Paper
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Question : 54 of 160
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If the circles x 2 + y 2 − 4 x + 2 f y + 1 = 0 and x 2 + y 2 + 2 g x − 4 y − 1 = 0 cut orthogonally, then r 1 2 + r 2 2 − 8 =
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