Q. The line $x + y = 6$ is a normal to the parabola $y^{2}\ = 8x$ at the point
A) $(18, - 12)$
B) (4, 2)
C) (2, 4)
D) (8, 8)
Explanation
(c)
Here $a = 2,\ \ m = - 1$
$\therefore$ Required point is$\ \left( am^{2},\ - 2am \right) = (2,4)$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.