Find the derivative of $ar\mathrm{sech}\left(x\right)^5$

$\frac{d}{dx}\left(\sinh^2\left(7x\right)\right)$

$\frac{d}{dx}\left(2x^3\tanh\left(\frac{1}{x^2}\right)\right)$

Find the derivative

$\frac{d}{dx}\left(\sqrt[4]{x}\right)$

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

Find the derivative

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

Find the derivative

$\frac{d}{dx}\left(x^{\frac{3}{4}}\right)$

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