$\frac{\left(-1\right)^nx^{2n+1}}{7^{n\:}n}$

$\frac{\left(cos\left(x\right)sin^2\left(x\right)+1\right)}{sin\left(x\right)}$

$\int ln\left(\sqrt{y+3}\right)dy$

$8\:-\:x^9$

$\lim_{x\to0}\left(\frac{\sqrt{4x^2+x^3}}{\left|2x+x^2\right|}\right)$

$x^1^0\:+\:8\:x^6\:+\:16\:x^2$

$m-4=12$