$\int\frac{12}{\sqrt{5}\left(\sqrt[5]{1+\left(\sqrt{x}\right)}\right)}dx$

$\sqrt{x\sqrt{x}^2\sqrt{x\sqrt{\frac{1}{x}}}}\cdot\sqrt[16]{x}$

$y+2.9=11$

$-50\sin\left(x\right)\sin\left(5x\right)$

$\int\:\left(5x-2\right)cos\left(x\right)dx$

$\frac{2\tan\left(x\right)}{1-\tan^2\left(x\right)}$

$\left(-x-y^2\right)$