$\lim_{x\to5}\left(\frac{3}{x-5}\right)$

$\log\left(2x\right)+\log\left(4x\right)=\log\left(200\right)$

$\int\frac{6}{\left(x-2\right)\left(x+3\right)}dx$

$\lim_{x\to\infty}\:\left(1-\left(\frac{5}{x}\right)\right)\:\:\:^{2x}$

$e^a^x\sin\left(bx\right)$

$\int\left(x^2+2x-1\right)e^{3x}dx$

$\lim_{x\to5}\left(3x+5\right)$