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JEE Advanced Mathematics question

MathematicsStraight LinesJEE Advanced

The angle between the pair of lines whose equation is is

Answer: (B)

Solution

Here . For a pair of lines,

Δ=abc+2fgh---=0+2·5·Missing argument for \tfrac\tfrac52·5-4·25-m·-0=25-=0

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Question ID VK-108864