AP EAMCET Engineering 21 Sep 2020 Shift 1 Paper
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Question : 77 of 160
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If the pair of straight line given by A x 2 + 2 H x y + B y 2 = 0 ( H 2 > A B ) a x + b y + c = 0 ( A + 3 B ) ( 3 A + B ) =
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