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The lines joining the origin to the point of intersection of 3x^2+lambda xy -4x+1=0 and 2x+y-1=0 are at right angles for Lambda= A.-4, B.4 , C.7 D.No value of lamda
Here we have to use the concept of homoginization2x + y =1 is the given line.Now apply a + b = 0 as agle is 90 degSo answer should be all values of lambda
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