conic-section

Question: If $4{{x}^{2}}+p{{y}^{2}}=45$ and ${{x}^{2}}-4{{y}^{2}}=5$ cut orthogonally, then the value of p is



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

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