$\frac{1}{\left(y-m\right)\left(y-n\right)}$

$\lim_{x\to\infty}\left(\frac{\sqrt{x^2+8}}{ln\left(x\right)}\right)$

$\int\:\frac{y^3}{\left(1-2y^4\right)^5}dy$

$\sec x-\cos\left(x\right)=\sin\left(x\right)\tan\left(x\right)$

$\int\sqrt{5}\left(3-5x\right)dx$

$-4a\left(m+1\right)^2-2a^2\left(m+1\right)$

$1-cos^2x=\frac{1}{2}\left(sinx+1\right)$