$0.549\cdot1000$

$\int\frac{5x^7}{x^8-3}dx$

$\left(\frac{1}{4}x^4-\frac{7}{6}x^3+31x^2+12+x\right)+\left(\frac{1}{6}-\frac{2}{3}x^2\right)$

$\int xcos^3\left(x^2\right)sen\left(x^2\right)dx$

$\frac{7^5x\:7^3}{7^2}$

$\int\left(5x-1\right)^35dx$

$\lim_{x\to\infty}\left(x\left(\sqrt{e}-1\right)\right)$