The number of integral values of λ for which the equation` x^ 2 +y^2 −2λx+2λy+14=0 `represents a circle whose radius cannot exceed 6, is

The number of integral values of lambda for which the equation x^(2)+y^(2)-2lambdax+2lambday+14=0 represents a circle whose radius cannot exceed 6, is

The number of integral values of lambda for which the equation x^2+y^2+lambdax+(1-lambda)y+5=0 is the equation fo a circle whose radius cannot exceed 5, is 14 (b) 18 (c) 16 (d) none of these

The number of integral values of lambda for which the equation x^2+y^2+lambdax+(1-lambda)y+5=0 is the equation fo a circle whose radius cannot exceed 5, is (a) 14 (b) 18 (c) 16 (d) none of these

Number of integral values of lambda for which x^2 + y^2 + 7x + (1-lambda)y + 5 = 0 represents the equation of a circle whose radius cannot exceed 5 is

If the equation kx^(2) + (2k - 3) y^(2) - 6x + 4y + 3 = 0 represents a circle, then its centre is

Find the number of integral values of lambda for which x^2+y^2+lambdax+(1-lambda)y+5=0 is the equation of a circle whose radius does not exceed 5.

The equation x^(2)y^(2)-9y^(2)-6x^(2)y+54y=0 represents

For what value of k will the equations x+2y+7=0,2x+k y+14=0 represent coincident lines?

Number of non-negative integral values of 'k' for which roots of the equation x^(2)+6x+k=0 are rational is-

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