TS EAMCET 20-July-2022 Shift 1 Solved Paper
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If a x 2 + 6 x y − 2 y 2 = 0 represents a pair of perpendicular lines and 9 x 2 + 2 h x y + 4 y 2 = 0 ( h > 0 ) represents a pair of coincident lines then h =
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