The eccentricity of an ellipse whose centre is at the origin is 21˙if one of its directrices is x=−4,then the equation of the normal to it at (1,23)is:4x+2y=7(2) x+2y=4 (3) 2y−x=2 (4) 4x−2y=1

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The eccentricity of an ellipse whose centre is at the origin i

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The eccentricity of an ellipse whose centre is at the origin is $\frac{1}{2} ˙$ if one of its directrices is $x = - 4,$ then the equation of the normal to it at $(1, \frac{3}{2})$ is: $4 x + 2 y = 7$ (2) $x + 2 y = 4$ (3) $2 y - x = 2$ (4) $4 x - 2 y = 1$

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The eccentricity of an ellipse whose centre is at the origin is

\frac{1}{2} ˙

if one of its directrices is

x = - 4,

then the equation of the normal to it at

(1, \frac{3}{2})

is:

4 x + 2 y = 7

(2)

x + 2 y = 4

(3)

2 y - x = 2

(4)

4 x - 2 y = 1

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Question Text

The eccentricity of an ellipse whose centre is at the origin is

\frac{1}{2} ˙

if one of its directrices is

x = - 4,

then the equation of the normal to it at

(1, \frac{3}{2})

is:

4 x + 2 y = 7

(2)

x + 2 y = 4

(3)

2 y - x = 2

(4)

4 x - 2 y = 1