If `12x^(2)-10xy+2y^(2)+11x-5y+c=0` represents a pair of lines then `c=`

The value of k so that the equation 12x^(2)-10xy+2y^(2)+11x-5y+k=0 represents a pair of lines is -2 (b) 2(c)7 (d) -7

The value of k so that the equation 12x^(2)-10xy+2y^(2)+11x-5y+k=0 represents a pair of lines is a.-2 b.2 c.7d.-7

If the equation 12x^(2)-10xy+2y^(2)+11x-5y+lambda=0 represents a pair of straight lines then the value of 221 lambda^(2)+361 lambda+582 is equal to

If the equation x^(2)+3xy+2y^(2)+x-y+k=0 represents a pair of line, then k=

For what value of lambd does the equation 12x^(2)-10xy+2y^(2)+11x-5y+lambda=0 represent a pair of straightlines? Find their equations,point of intersection,acute angle between them and pair of angle bisector.

If the equation kx^(2) – 2xy - y^(2)– 2x + 2y = 0 represents a pair of lines, then k =

For what value of lambda does the equation 12x^(2)-10xy+2y^(2)+11x-5y+lambda=0 represent a pal lines? Find their equations, point of intersection,acute angle between them and pair of angle bisector.

If the equation 2x^2-2xy-y^2-6x+6y+c=0 represents a pair of lines then c=