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Which of the following is true ? <b>P:...

Which of the following is true ?
P:  `((p^2-1/(q^2))^p(p-1/q)^(q-p))/((q^2-1/(p^2))^q(q+1/p)^(p-q))=(p/q)^(p+q`
Q:  If `pqr=1`, then
`1/(1+p+q^(-1))+1/(1+q+r^(-1))+1/(1+r+p^(-1))=-1`
(A) Both P and Q are correct.
(B) Both P and Q are wrong.
(C) P is correct Q is wrong.
(D) P is wrong Q is correct.

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