$f\left(x\right)=\ln\sqrt{\frac{\left(3x+2\right)^5}{x^4+7}}$

$\int12x\sqrt{3x-5}dx$

$\int\left(\frac{a}{x^2}\right)dx$

$\left(2y-15\right)\left(2y+a\right)$

$-\frac{1}{6}x\frac{2}{6}$

$\frac{dy}{dx}=2sen\left(-3x\right)$

$\lim_{x\to\infty}\left(\ln\left(\frac{x-3}{x+3}\right)\right)$