Find the value of `lambda` if the equation `x^2/(2-lambda)+y^2/(lambda-5)+1=0` represents an ellipse.

The equation x^2/(12-a)+y^2/(4-a)=1 represents an ellipse, if :

The equatio (x ^(2 ))/( 2 -r) + (y ^(2))/(r -5) +1=0 represents an ellipse, if

The value of lambda for which the equation x^2-y^2 - x - lambda y - 2 = 0 represent a pair of straight line, are

The equation (x-5)^(2)+(x-5)(y-6)-2(y-6)^(2)=0 represents

Answer the following questions:Find the value of lambda if the lines 3x-4y-13=0,8x-11y-33=0 and 2x-3y+lambda=0 are concurrent

The value of lambda for which the straight line (x-lambda)/(3)=(y-1)/(2+lambda)=(z-3)/(-1) may lie on the plane x-2y=0 is

If equation 4x^(2)+2pxy+25y^(2)+2x+5y-1=0 represents parallel lines, then p is equal to

The value of lambda for which the matrix [(1,-2,-1),(2,lambda,3),(-1,0,3)] will not be invertible ,

The value of lambda for which the points (-2,4,lambda),(3,-6,-8),(1,-2,-2) are collinear is