TS EAMCET 6-Aug-2021 Shift 2 Question Paper
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Question : 49 of 160
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The number α and β are such that one of the lines of 2 x 2 + a x y + 3 y 2 = 0 coincides with one of the lines of 2 x 2 + β x y − 3 y 2 = 0 . If the two lines other than that line are perpendicular, then |α + β | =
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