[" The line among the following,that touches the "],[" parabola "y^(2)=4ax" is "]

The line among the following, that touches the parabola y^(2)=4 a x is

Find the condition that the line x cos alpha+y sin alpha=p touches the parabola y^(2)=4ax

If the line y=mx+c touches the parabola y^(2)=4a(x+a) , then

If the line y=mx+c touches the parabola y^(2)=4a(x+a) , then

If the line y=mx+c touches the parabola y^(2)=4a(x+a) , then

Prove that y=mx+c touches the parabola y^2 = 4ax if a=mc .

The condition that the line lx+my+n=0 to touch the parabola y^(2)=4ax is

The locus of the mid points of the line joining the focus and any point on the parabola y^(2)=4ax is a parabola with equation of directrix as