Which of the following methods is used to obtain pure water from seawater?

Which enzyme is responsible for the conversion of glucose into ethanol?

$y=\log \left\{\left(\frac{1+x}{1-x}\right)^{1 / 4}\right\}-\frac{1}{2} \tan ^{-1}(x)$, then $\frac{d y}{d x}$ is equal to

$CsBr_3$ contains

If $\left|\begin{array}{ccc}\cos (A+B) & -\sin (A+B) & \cos 2 B \\ \sin A & \cos A & \sin B \\ -\cos A & \sin A & \cos B\end{array}\right|=0$,then $B$ is equal to

The image of the point $(4, -13)$ with respect to the line $5x + y + 6 = 0$ is