If P and Q are two points on the hyperbola x25−y28=1 whose centre is – InterviewSolution

1.	If P and Q are two points on the hyperbola x25−y28=1 whose centre is C such that CP is perpendicular to CQ, then the value of 1(CP)2+1(CQ)2 is equal to
Answer» If $P$ and $Q$ are two points on the hyperbola $\frac{x^{2}}{5} - \frac{y^{2}}{8} = 1$ whose centre is $C$ such that $C P$ is perpendicular to $C Q,$ then the value of $\frac{1}{(C P)^{2}} + \frac{1}{(C Q)^{2}}$ is equal to

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