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
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