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NDA 2021

Exam: NDA
Year: 2021
Subject: Mathematics
Chapter: Ellipse

NDA 2021 · Mathematics · Ellipse

Consider the following with regard to eccentricity (e) of a conic...

Consider the following with regard to eccentricity

(e)

of a conic section :

\square 1.

e=0

for circle 2.

e=1

for parabola 3.

e < 1

for ellipse Which of the above are correct?

Options

A $1$ and $2$ only
B $2$ and $3$ only
C $1$ and $3$ only
D $1$ , $2$ and $3$

Correct answer

D. $1$ , $2$ and $3$

Step-by-step solution

All three statements are correct.

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