Equation 11.46.644CC5DC8E895

\begin{align} Q_\alpha & \sim \alpha L^{\alpha -1},& Q_\alpha '& \sim \frac{\alpha (1-\alpha )}rL^{\alpha -2},\\ (Q_\alpha ^ k)'& \sim \frac{k\alpha ^ k(1-\alpha )}rL^{-1-k(1-\alpha )}.\nonumber \end{align}