The lines joining the origin to the point of intersection of 3x2+ lambda xy+−4x+1=0 and 2x+y−1=0 are at right angles for Alambda=−4Blambda=4C lambda =7D No value of lambda
K Architha , 5 Years ago
Grade 12
1 Answer
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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