$f\left(x\right)\:=\:sin\left(7\:ln\left(x\right)\right)$

$\frac{1}{\sqrt{a+\sqrt{b}}}$

$\frac{\cos\left(x\right)^2}{\sin\left(x\right)}+\cos\left(x\right)\cdot\tan\left(x\right)=\csc\left(x\right)$

$\int\frac{\left(2x-5\right)}{\left(x-4\right)}dx$

$\int x^5\left(\sqrt{15+x^6}\right)dx$

$4a^2b^2+32ab+64$

$x^3-5x^2+9x-45$