The line `x/k=y/2=z/-12` makes an isosceles triangle with the planes `2x+y+3z-1=0 and x+2y-3z-1=0` then the value of `k` is-

Plane passing through the intersection of the planes x+2y+z-1=0 and 2x+y+3z-2=0 and perpendicular to the plane x+y+z-1=0 and x+ ky+3z-1=0 .Then the value of k is

If the line (x-2)/-1=(y+2)/1=(z+k)/4 is one of the angle bisector of the lines x/1=y/-2=z/3 and x/-2=y/3=z/1 then the value of k is

If the line (x-2)/-1=(y+2)/1=(z+k)/4 is one of the angle bisector of the lines x/1=y/-2=z/3 and x/-2=y/3=z/1 then the value of k is

If the line (x-2)/-1=(y+2)/1=(z+k)/4 is one of the angle bisector of the lines x/1=y/-2=z/3 and x/-2=y/3=z/1 then the value of k is

Plane passing through the intersection of the planes x + 2y + z- 1 = 0 and 2x + y + 3z - 2 = 0 and perpendicular to the plane x + y + z - 1 = 0 and x + ky + 3z - 1 = 0. Then the value of k is

Plane passing through the intersection of the planes x + 2y + z - 1 = 0 and 2x + y + 3z - 2 = 0 and perpendicular to the plane x + y + z - 1 = 0 and x + ky + 3z - 1 = 0. Then the value of k is

Plane passing through the intersection of the planes x + 2y + 2-1 = 0 and 2x + y + 3z - 2 = 0 and perpendicular to the plane x + y + z-1= 0 and x + ky + 3z - 1 = 0. Then the value of k is

If the line (x+1)/3=(y-2)/4=(z+6)/5 is parallel to the planes 2x-3y+kz=0 , then the value of k is