The line ( x = my + c ) is normal to ( x^2 = - 4ay ) , if c... | Mathematics | SolveeIt | Solveeit

Today, August 18

Question

The line $x = my + c$ is normal to $x^2 = - 4ay$ , if c is equal to

A

$- 2 am - m^3 a$

B

$- 2 am + am^3$

C

$- 2 am - am^3$

D

$2 am + am^3$

Answer

$2 am + am^3$

Explanation

Solution

Answer (d) $2 am + am^3$