Simplify the expression $f\left(t\right)=\frac{2}{\sqrt{t}}+\frac{6}{\sqrt[3]{t^2}}$

Find the derivative

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

Find the derivative

$\frac{d}{dx}\left(x-1\right)^{\cos\left(2x\right)}$

Find the derivative

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

Find the derivative

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

Find the derivative

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

Find the derivative

$\frac{d}{dx}x^{e^x}$

Find the derivative

$\frac{d}{dx}x^{cosx}$