$\log\left(x-3\right)+\log\left(5-x\right)=0$

$\lim_{x\to\infty}\left(\frac{sen8x}{x}\right)$

$\int\sin\left(34x\right)\cdot\cos\left(4x\right)dx$

$\int\left(\frac{lnx^9}{2x}\right)dx$

$\int3x^2\left(x^3+8\right)^{-\frac{1}{2}}dx$

$\left(4+2x\right)^{-0.5}$

$a^5b\left(z+1\right)^4-a^2b^2c\left(z+1\right)^3+a^3bc\left(z+1\right)^2$