Equation of normal for all 4 standard parabolas

Equation of the normal att =4 to the parabola y^(2)=6x is

Equation of normal to the parabola y^(2)=4ax having slope m is

Equation of normal to the parabola y^(2)=4x which passes through (3, 0), is

Equation of the other normal to the parabola y^(2)=4x which passes through the intersection of those at (4,-4) and (9,-6) is

Equation of parabola in its standard equation

find the equation of normal to parabola x^(2)=4 by

Find the equation of normal to the parabola x^(2)=4y at (6,9)

The equation of the normal to the parabola, x^(2)=8y " at " x=4 is

Find the equation of the normal to the parabola y^(2)=4ax at a point (x_(1),y_(1)) on it. Show that three normalls can be drawn to a parabola from an external point.