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Question

If the acute angles between the pairs of lines 3x27xy+4y2=0 and 6x25xy+y2=0 be θ1 and θ2 respectively, then


  1. None of these


Solution

The correct option is A


tanθ=2h2aba+b
Obviously θ1=tan1(2494123+4)=tan1(17)θ2=tan1(225466+1)=tan1(17)

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