$\lim\:_{n\to\:\infty\:}\left(\sqrt{5n^2+4n+2}-\sqrt{5n^2-2n-1}\right)$
$\int x\left(7x^2+1\right)dx$
$\left(x^2y^3\right)^{\frac{2}{3}}$
$\frac{9x^2+12x+4}{3x+2}$
$\int3edx$
$\sqrt{10}\cdot\sqrt{8}$
$y^4+2y^2-3my$
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