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The lines joining the origin to the point of intersection of 3x23x^2 ++ lambda xy+xy+ 4x-4x +1=0+1=0 and 2x+y1=02x+y-1=0 are at right angles for AA lambda=4Blambda=-4B lambda=4Clambda=4C lambda =7D=7D No value of lambda

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K Architha , 5 Years ago
Grade 12
anser 1 Answer
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Arun

Last Activity: 5 Years ago

Dear student
As we know for perpendicularity, coeff of x^2 + coeff of y^2 = 0
no use of coeff of xy
hence if it is perpendicular, then for every value of lambda, it is perpendicular

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