GATE Papers >> CSE >> 2018 >> Question No 7

Question No. 7 CSE | GATE 2018
If $\style{font-family:'Times New Roman'}{pqr\;\neq0}$ and $\style{font-family:'Times New Roman'}{p^{-x}=\frac1q,q^{-y}=\frac1r,\;r^{-z}=\frac1p}$ , what is the value of the product $\style{font-family:'Times New Roman'}{xyz}$?

Answer : (C) $\style{font-family:'Times New Roman'}1$


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