Let x = 4 be a directrix to an ellipse whose centre is at the origin and its eccentricity is …. If P(1, …), … > 0 is a point on this ellipse, then the equation of the normal to it at P is :

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JEE Main 2020 · 4 Sep, Evening shift · Q3731

MathematicsMedium74×since 2004Q3731

Let x = 4 be a directrix to an ellipse whose centre is at the origin and its eccentricity is

{1 \over 2}

. If P(1,

\beta

\beta

> 0 is a point on this ellipse, then the equation of the normal to it at P is :

JEE Main 2020 · 4 Sep, Evening shift · Q3731

MathematicsMedium74×since 2004Q3731

Let x = 4 be a directrix to an ellipse whose centre is at the origin and its eccentricity is

{1 \over 2}

. If P(1,

\beta

\beta

> 0 is a point on this ellipse, then the equation of the normal to it at P is :