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

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

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

Equation of tangent to parabola y^(2)=4ax

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

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

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

Show that the condition that the line y=mx+c may be a tangent to the parabola y^(2)=4ax is c=(a)/(m)

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