If \({A^{ - \frac{P}{2}}} = \frac{1}{B}\;and\;{B^{ - \frac{Q}{3}}} = \frac{1}{C}\;and\;{C^{ - \frac{R}{6}}} = \frac{1}{A}\) the value of \((PQR)^{\frac{1}{2}}\) is
1
(PQR)-2
2
P2 + Q3 + R6
3
1
4
6
If \({A^{ - \frac{P}{2}}} = \frac{1}{B}\;and\;{B^{ - \frac{Q}{3}}} = \frac{1}{C}\;and\;{C^{ - \frac{R}{6}}} = \frac{1}{A}\) the value of \((PQR)^{\frac{1}{2}}\) is