TS EAMCET 20-July-2022 Shift 2 Solved Paper

Section: Mathematics

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Question : 47 of 160

Marks: +1, -0

If θ is the acute angle between the pair of lines 12x2+2hxy+7y2=0 and tan‌θ=‌

8

19

, then h=

±6
±7
±8
±10

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