$\int\sec^2\left(3x-1\right)dx$

$\int_0^77.2e^{-.016x}dx$

$\left(3x^4-6y^3-9z^2\right)^2$

$\int\frac{\left(7-\ln\left(x+2\right)^3\right)}{x+2}dx$

$2x^2-6x+3x+4x$

$\frac{1}{4}\left(\frac{3}{5}\left(2x+3\right)^{\frac{5}{3}}-\frac{9}{2}\left(2x+3\right)^{\frac{2}{3}}\right);\:x=1;\:y=0$

$\lim_{x\to\infty}\left(\frac{4ln\left(x\right)+\sqrt{x}}{\sqrt{x}-ln\left(2x\right)}\right)$