Sejam $P=\left(1+\frac{1}{3}\right)\left(1+\frac{1}{5}\right)\left(1+\frac{1}{7}\right)\left(1+\frac{1}{9}\right)\left(1+\frac{1}{11}\right)$ e $Q=\left(1-\frac{1}{5}\right)\left(1-\frac{1}{7}\right)\left(1-\frac{1}{9}\right)\left(1-\frac{1}{11}\right)$. Qual é o valor de $\sqrt{\frac{P}{Q}}$?