Derivative of x Sin x

Find the derivative of the following function $y = x^{\frac{2}{x}}$

Find the derivative of the following function

$y = \sqrt{(x^2 + 1){(x - 1)}^2}$

Determine $\frac{dy}{dx}$ for the following function

$y = \sqrt{\frac{1}{x (x + 1)}}$

Find the derivative of ${(\ln{x})}^{(\ln{(x)})}$