$y=\ln\left(\sqrt{x^{2\:}\:+1}\right)$

$\frac{\frac{x^3+3x^2y+3xy^2+y^3+x+y-1}{2}}{y}$

$-2\left(112\right)$

$\left(-2\right)^3\left(-1\right)^2\left(-3\right)^2$

$\lim_{x\to2}\left(\frac{sen\:\left(\pi x\right)}{x^3-8}\right)$

$64x^2+144xy^2+81y^4$

$\int3x^2\cdot\sin\left(x^3-3\right)dx$