$y\cdot y^2$

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

$\sin\left(3x\right)\cos\left(2x\right)-\cos\left(3x\right)\sin\left(2x\right)=1$

$\int\frac{\left(2\cdot\:\:\:ln\left(x\right)\cdot\:\:\:sen\left(ln\left(x\right)\right)\right)}{x}dx$

$\int_{-3}^1-2x\:dx$

$-5+2\cdot2$

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