$\log_x\left(\frac{1}{10000}\right)=-4$

$\lim\:_{x\to\:\infty\:}\left(\frac{1}{x^2}\right)^{\frac{x}{2x^2+1}}$

$\left(t-1\right)\left(t+4\right)\left(t-4\right)$

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

$\frac{\left(csc^2\theta\:\right)}{sec^2\theta\:\:}$

$\int\:\frac{7}{\sqrt{x}\left(1+7\sqrt{x}\right)^6}dx$

$\frac{inx}{x^5}$