The two lines `5x + 3y + 7 = 0` and `kx - 4y + 3 = 0` are perpendicular to the same line . Find the value of k .

If the straight lines kx – 5y + 4 = 0 and 4x – 2y + 5 = 0 are perpendicular to each other. Find the value of k.

If the lines 2x + y - 5 = 0 and kx - 2y + 7 = 0 are perpendicular, then k = _______

If the straight lines 2x + 3y - 3 = 0 and x + ky + 7 = 0 are perpendicular then the value of k is

Find k if lines 5x - ky- 7=0 and 2x + 3y + 5 =0 are mutually perpendicular.

Find the equation of the line passing through the point of intersection of lines x + 3y + 2 = 0 and x-2y-4 = 0 and perpendicular to the line 2y + 5x - 9 = 0.

If the straight lines 2x+ 3y -3=0 and x+ky +7 =0 are perpendicular, then the value of k is

If the straight lines 2x+ 3y -3=0 and x+ky +7 =0 are perpendicular, then the value of k is

Find the equation of the line passing through the point of intersection of the lines x + 5y + 7 = 0 , 3x + 2y - 5 = 0 and perpendicular to the line 7x + 2y - 5 = 0