$y=\frac{x}{\sqrt{\left(x^2+m\right)^3}}$

$\lim_{x\to infinity}\left(\frac{ln\left(1+x^3\right)}{ln\left(2+x\right)}\right)$

$\frac{6x+5}{\left(x+9\right)\left(x-7\right)}$

$2\sin\left(\frac{1}{5}x\right)=\sqrt{3}$

$\left(2x^3y\:-\:3xy^5\right)^2$

$y=49+y$

$\int\:2\:y^2\:\sqrt{a^2-y^2}dy$