If the line `Ix +my+n=0` is a tangent to the parabola `y^2=4ax` , then locus of its point of contact is:

If the line lx + my +n=0 is a tangent to the parabola y^(2)= 4ax , then-

The line lx+my+n=0 is a normal to the parabola y^(2)=4ax if

The line lx+my+n=0 is a normal to the parabola y^2 = 4ax if

The line 1x+my+n=0 is a normal to the parabola y^(2)=4ax if :

Find the condition for the straight line lx+my+n=0 to be a tangent to the parabola y^(2)=4ax and find the coordinates of the point of contact.

Show that the line x- y +4=0 is tangent to the parabola y^(2)= 16x . Find the point of contact.

Show that the length of the tangent to the parabola y^2 = 4ax intercepted between its point of contact and the axis of the parabola is bisected by the tangent at the vertex.

Show that the length of the tangent to the parabola y^2 = 4ax intercepted between its point of contact and the axis of the parabola is bisected by the tangent at the vertex.