The eccentricity of the conic 9x2 + 25y2 = 225 is
Given that we need to find the eccentricity of the conic 9x2 + 25y2 = 225.
It is rewritten as 
We know that the eccentricity of ellipse is 
(a2>b2).
⇒ 
⇒ 
⇒ 
∴ The correct option is B
8
The eccentricity of the conic 9x2 + 25y2 = 225 is
Given that we need to find the eccentricity of the conic 9x2 + 25y2 = 225.
It is rewritten as
We know that the eccentricity of ellipse is (a2>b2).
⇒
⇒
⇒
∴ The correct option is B