$\left(4cos\theta\:-6sin\theta\:\right)^{\left(2\right)}+\left(6cos\theta\:+4sin\theta\:\right)^{\left(2\right)}=52$

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

$\int\:t\:ln\left(t\:+\:1\right)\:dx$

$24\:=\:-2\left(8y-4\right)$

$\int\frac{5x-1}{x^2-x+2}dx$

$25-9i-12+5i$