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Straight Lines and Pair of Straight Lines

Section: Mathematics

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Question : 2

Total: 26

If the angle between the pair of lines given by the equation ax2+4xy+2y2=0 is 45∘ then the possible values of ' a '

[TG EAPCET 11 May 2024 Shift 1]

are -3 or 21
are −6±4√3
−6±24√2
do not exist

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