Simplify the expression $\frac{5\left(\frac{x^2+3x+5}{2x-1}\right)\left(2x^2-2x-13\right)}{4x^2-4x+1}$

Find the derivative

$\frac{d}{dx}\left(x^{\cos\left(x\right)}\right)$

Find the derivative

$\frac{d}{dx}\left(x^{2x}\right)$

Find the derivative

$\frac{d}{dx}\left(x^{\sqrt{x}}\right)$

Find the derivative

$\frac{d}{dx}\left(x^{5x}\right)$

Find the derivative

$\frac{d}{dx}\left(x^{lnx}\right)$

Find the derivative

$\frac{d}{dx}\left(\left(\left(7^x\right)^{37}\right)^{121\left(-1\right)\cdot x}\right)$

Find the derivative

$\frac{d}{dx}\left(x^{3x}\right)$