$\lim_{x\to\infty}\left(\frac{98x^3-55x-1.5}{x^3+.8x+.05}\right)$

$\sqrt{0.004464999999999999}$

$\int\left(\frac{\left(\frac{x^3}{3}\right)}{5x^2}\right)dx$

$a-2b\left(3a^2-5ab-2b^2\right)$

$\frac{di}{dt}+3i=2$

$\int\:\frac{9x^2\left(3x^3-1\right)^{\frac{3}{4}}}{4}dx$

$1x^2-0,00000000048x+0,000000000176$