Prove that the area of the triangle formed by the tangents drawn from to and their…

MATHEMATICS · Subjective · CBSE · Mathematics · Conic Sections · Conic Sections

Problem

Prove that the area of the triangle formed by the tangents drawn from

(x_1,y_1)

y^2=4ax

and their chord of contact is

\frac{(y_1^2-4ax_1)^{3/2}}{2a}