CMAT 2016 Solved Question Paper

© examsiri.com

Question : 3 of 100

Marks: +1, -0

The length of a minor axis of the ellipse 16

x^2

+ 25

y^2

= 800 is

8 $√2$
16 $√2$
8
4 $√2$

Solution:

(a) 16

x^2

+ 25

y^2

= 800
⇒

{16x^2}/800

+

{25y^2}/800

= 1
⇒

x^2/{50} + y^2/{32}

= 1
Here,

a^2

= 50 ⇒ a = 5

√2

,

b^2

= 32 ⇒ b = 4

√2

Length of minor axis =2b =2 x 4

√2

= 8

√2

© examsiri.com

Go to Question:

Prev Question

Next Question