$\frac{a^3}{a^5}$

$\int\left(e^{5x}sin\left(e^{5x}+5\right)\right)dx$

$\frac{\left(x+1\right)}{\left(\sqrt{x+1}\right)}$

$\int\left(\frac{z^3}{\left(1-2z^4\right)^5}\right)dx$

$5+4+\left(-9\right)-5+3+\left(-2\right)-\left(-4\right)$

$\frac{3.50}{2.50}$

$\lim_{x\to\infty}\left(\frac{sin^2\left(2x\right)}{-2xcos\left(2x\right)}\right)$