If and are the eccentricities of the ellipse and the hyperbola respectively

MATHEMATICS · Single correct · CBSE · Mathematics · Conic Sections · Conic Sections

Problem

e

and

e'

are the eccentricities of the ellipse

5x^2 + 9y^2 = 45

and the hyperbola

5x^2 - 4y^2 = 45

respectively, then

ee' =

(1)

-1

(2)

1

(3)

-4

(4)

9