$\frac{2x^4\:+\:3x}{x^2\:-\:5x\:+\:6}$

$\int\frac{1}{\left(x^2+49\right)^{\frac{3}{2}}}dx$

$\int x^{10}\cdot e^{4x}dx$

$\left(6x-3xy\right)^2$

$\sqrt{\frac{1}{16}}-\left|\left(\frac{2}{3}-\frac{3}{4}\right)^2-\left(\frac{5}{3}+\frac{1}{2}\right)^2\right|$

$\lim_{x\to\infty}\left(\frac{\left(8x-3\right)}{\left(8x+5\right)}\right)^{7x+1}$

$-12<3c-3$