$\lim_{x\to0}\left(\ln\left(\frac{\sin\left(x\right)}{\left(\pi-2x\right)^2}\right)\right)$

$\int\frac{2}{\left(x^2+5\right)\left(x^2+2\right)^2}dx$

$3x=3$

$x^5e^x^2$

$\left[x^2\right]^3\left(x^5\right)=x^m$

$\frac{y'}{\left(2y+3\right)^2}=\left(4x+5\right)^{-2}$

$e^{x-y}=0$