" The value of "lambda" for which the equation "x^(2)-y^(2)-x+lambda y-2=0" represents a pair of straight lines,are "

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

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

Find the value of lambda for which the equation 2x^(2)+4xy+y^(2)+x+3y+2=0 represents a pair of straight line

Find the value of lambda for which the equation lambdax^2 + 4xy + y^2 + lambdax + 3y + 2=0 represents a pair of straight line