` 2x^2 +2y^2 +4 lambda x+lambda =0` represents a circle for

2x^(2)+2y^(2)+2 lambda x+lambda^(2)=0 represents a circle for

If 2(x^(2)+y^(2))+4 lambda x + lambda^(2)=0 represents a circle of meaningful radius, then the range of real values of lambda , is

If the equation 3x^(2)+3y^(2)+6 lambda x+2 lambda=0 represents a circle,then the value of lambda. lies in

If the equation x^(2)+y^(2)+2 lambda x+4=0 and x^(2)+y^(2)-4 lambda y+8=0 represent real circles then the valueof lambda can be

IF x^(2) + y^(2) - 2y - 15 + lambda (2x + y - 9) = 0 represents family of circles for. Different values of lambda , then the equation of the circle(s) along these circles having minimum radius is/are

The value of lambda with |lambda| lt 16 such that 2x^(2) - 10xy +12y^(2) +5x +lambda y - 3 = 0 represents a pair of straight lines is

If the equation x^(2)+y^(2)+6x-2y+(lambda^(2)+3lambda+12)=0 represent a circle. Then

Equation (2 + lambda)x^2-2 lambdaxy+(lambda -1)y^2-4x-2=0 represents a hyperbola if

The value of lambda with | lambda|<16 such that 2x^(2)-10xy+12y^(2)+5x+lambda y-3=0 represents a pair of straight lines is