The number of integer values of k for which the equation `x^2 +y^2+(k-1)x-ky+5=0` represents a circle whose radius cannot exceed 3 is

The number of integer values of k for which the equation x^(2)+y^(2)+(k-1)x-ky+5=0 represents a circle whose radius cannot exceed 3is

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)-2lambdax+2lambday+14=0 represents a circle whose radius cannot exceed 6, is

The value of k for which the equation 2x^2+5y^2-2ky+4x+6y=0 represent the pair of straight lines is

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

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 14 (b) 18 (c) 16 (d) none of these