$10+\left(11-\left|12+\left(13-14\right)\right|\right)$

$\sqrt[5]{-32a^7b^6c^{10}}$

$\cot\left(\frac{\:\left(a\right)}{2}\right)=\left(\frac{\:1+\cos\left(a\right)}{\sin\left(a\right)}\right)$

$\int\ln\left(x^{-5}\right)dx$

$\int_{-3}^5\left(s\sqrt{25-s^2}\right)ds$

$\frac{x^5\:+\:10x^4\:-\:37x^2\:-\:23x\:+\:26}{x\:-\:2}$

$\left(z\right)^'=\frac{k\sqrt{1+z^2}}{\left(a-x\right)}$