If \[4{{x}^{2}}+p{{y}^{2}}=45\] and \[{{x}^{2}}-4{{y}^{2}}=5\] cut orthogonally, then the value of p is [Kerala (Engg.) 2005]

If \[4{{x}^{2}}+p{{y}^{2}}=45\] and \[{{x}^{2}}-4{{y}^{2}}=5\] cut ort

1.	If \[4{{x}^{2}}+p{{y}^{2}}=45\] and \[{{x}^{2}}-4{{y}^{2}}=5\] cut orthogonally, then the value of p is [Kerala (Engg.) 2005]
A.	1/9
B.	1/3
C.	3
D.	18
E.	9
Answer» F.

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If \[4{{x}^{2}}+p{{y}^{2}}=45\] and \[{{x}^{2}}-4{{y}^{2}}=5\] cut orthogonally, then the value of p is [Kerala (Engg.) 2005]

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