Question: The eccentricity of an ellipse whose centre is at the origin is $\frac{1}{2}$. If one of its directices is $x=-4$, then the equation of the normal to it at $\left(1, \frac{3}{2}\right)$ is :-
x + 2y = 4
2y – x = 2
4x – 2y = 1
4x + 2y = 7
Correct Option: , 3
Solution: