$\int19z^3e^zdz$

$-h+4=-h+9$

$\cos\left(b\right)=1+\sin b\cdot\sec\left(b\right)-\tan\left(b\right)$

$y=e^{x^2}\sqrt[3]{8+x^3}$

$\lim_{x\to1}\left(\frac{x^{\frac{1}{3}}}{2\left(x-1\right)^{\frac{2}{3}}}\right)$

$-14\cdot92$

$\lim_{x\to-169}\left(\frac{\sqrt{x-13}}{x-169}\right)$