EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 18 - Ellipse>NDA & NA EE 2019 Paper 1 Mathematics>Q 3

HARD

NDA & NA EE

IMPORTANT

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The sum of the focal distances of a point on an ellipse is constant and equal to

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Important Questions on Ellipse

EASY

NDA & NA EE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 18 - Ellipse>NDA & NA EE 2020 Mathematics>Q 1

Let

P (x, y)

be any point on the ellipse

25 x^{2} + 16 y^{2} = 400 .

If

Q (0, 3)

and

R (0, - 3)

are two points, then what is

(P Q + P R)

equal to?

EASY

NDA & NA EE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 18 - Ellipse>NDA & NA EE 2019 Paper 2 Mathematics>Q 2

If the angle between the lines joining the end points of minor axis of the ellipse

\frac{x^{2}}{a^{2}} + \frac{y^{2}}{b^{2}} = 1

with one of the its foci is

\frac{π}{2},

then what is the eccentricity of the ellipse?

HARD

NDA & NA EE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 18 - Ellipse>NDA & NA EE 2019 Paper 1 Mathematics>Q 3

The sum of the focal distances of a point on an ellipse is constant and equal to