AP EAPCET 08-Jul-2022 Shift 1 Paper
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Question : 45 of 160
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Suppose the pairs of straight lines x 2 − 2 a x y − y 2 = 0 and x 2 − 2 b x y − y 2 = 0 are such that each pair bisects the angles between the other two. Then a b =
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