If is the acute angle between the lines 2x^2+7xy+3y^2=0, then the value of 2 -3 4 +5 =

MHT CET 2026 Mathematics question

If is the acute angle between the lines , then the value of

Answer: (C)

For with , (), : . So and . (Check by factoring: , slopes

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Question ID VK-099124