conic-section

Question: If e and e’ are the eccentricities of the ellipse $5{{x}^{2}}+9{{y}^{2}}=45$ and the hyperbola $5{{x}^{2}}-4{{y}^{2}}=45$ respectively, then $ee'=$



1) 9
2) 4
3) 5
4) 1
Solution: Explanation: No Explanation
Hyperbola

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