[" 6.",4x+ky+8=0],[,2x+2y+2=0]

Find the value of k for which the following system of equations has a unique solution: 4x+ky+8=0,quad 2x+2y+2=0

The value of k for which the pair of linear equations 4x + 6y -1= 0 and 2x + ky -7=0 represents parallel lines is

One of the values of k for which the planes kx+4y+z=0 , 4x+ky+2z=0 and 2x+2y+z=0 intersect in a straight line is

Find the value of 'k' for which the pair of equations 2x - ky + 3 = 0. 4x + 6y - 5 = 0 represent parallel lines.

The equation of the circle which cuts orthogonally the three circles x^(2) + y^(2) + 4x + 2y + 1 = 0 , 2x^(2) + 2y^(2) + 8x + 6y - 3 = 0 , x^(2) + y^(2) + 6x - 2y - 3 = 0 is

Find the equation of the circle which intersects each of the following circles orthogonlly x^2 + y^2 + 4x + 2y + 1 = 0 . 2(x^2 + y^2) + 8x + 6y - 3 = 0, x^2 + y^2 + 6x -2y - 3 =0.

2x - ky +7=0 and 6x - 12 y +15 =0 has no solution for