If the lines 2x+3y+12 =0 and x-y+4k=0 are conjugate with respect to the parabola `y^(2)=8x ` then the value of k is

If the lines 2x+3y+12 =0 and x-y+k =0 are conjugate with respect to the parabola y^(2)=8x then k=

I: If the points (2,-1) , (5,k) are conjugate with respect to the parabola x^(2)=8y then k=7 II : If the lines 2x+3y+12=0 , x-y +k=0 are conjugate with respect to the parabola y^(2)=8x then k =-12

If the lines kx+2y-4=0 and 5x-2y-4=0 are conjugate with respect to the circle x^2+y^2-2x-2y+1=0 then k=

If the lines kx+2y-4=0 and 5x-2y-4=0 are conjugate with respect to the circle x^2+y^2-2x-2y+1=0 , then k= .

If the line x-3y+k=0 touches the parabola 3y^(2)=4x then the value of k is

Show thet the lines 2x+3y + 11 =0 and 2x-2y-1=0 are conjugate with respect to the circle x^(2) + y^(2) + 4x+ 6y +12 = 0

Show that the lines 2x+3y + 11 =0 and 2x-2y-1=0 are conjugate with respect to the circle x^(2) + y^(2) + 4x+ 6y +12 = 0

If the line y=3x+k is tangent to the parabola y^2=4x then the value of K is