Find the value of `lambda` if `2x^2+7x y+3y^2+8x+14 y+lambda=0` represents a pair of straight lines

Find the value of lambda if 2x^(2)+7xy+3y^(2)+8x+14y+lambda=0 represents a pair of straight lines

Find the value of lambda if 2x^(2)+7xy+3y^(2)+8x+14y+lambda=0 represent a pair of straight lines.

Find the value of lambda " if " 2x^(2) +6xy +3y^(2) +8x +14y +lambda =0 represent a pair of straight lines.

Find the value of Lambda if 2x^(2)+7xy+3y^(2)+8x+14y+lambda=0 represent a pair of straight lines.

For what value of lambda does the equation 12x^2-10xy+2y^2+11x-5y+lambda=0 represent a pair of straight lines ? Find their equations and the angle between them.

If lambda x^(2)+6xy+9y^(2)+4x+12y+3=0 represents a pair of straight lines then lambda

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