If the line `px +qy=1` is a tangent to the parabola `y^2 =4ax`. then

If the line px + qy =1m is a tangent to the parabola y^(2) =4ax, then

if the line 2x-4y+5=0 is a tangent to the parabola y^(2)=4ax. then a is

If the line 2x-3y+6=0 is a tangent to the parabola y^(2)=4ax then a is

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 condition that the line ax + by + c =0 is a tangent to the parabola y^(2)= 4ax is-

The locus of a point P(alpha beta) moving under the condition that the line y=alphax+beta is a tangent to the parabola y^(2)=4ax is

A : The condition that the line x/p+y/q=1 to be a tangent to the parabola y^(2)=4ax is ap+ q^(2) =0. R: The condition that the line lx+my+n=0 may touch the parabola y^(2)=4ax is am^(2) = In

If the line ax+by+c=0 is a tangent to the parabola y^(2)-4y-8x+32=0, then :