$\lim_{x\to\infty}\left(a\cdot\frac{\left(.5m\right)\left(v-u\right)^2}{x\cdot t}\right)^{\left(-x-1\right)}$

$1+\frac{1}{1}$

$\left(7a+11b\right)\cdot\left(3a-4m-6n\right)$

$\int9x\:csc^2\:3x\:dx$

$cos\:\infty\:\left(sec\:\infty-cos\:\infty\right)=sen^2\infty$

$\lim_{x\to0}\frac{4\ln\left(\sin\left(x\right)\right)}{\ln\left(\tan\left(x\right)\right)}$

$4x^{2\:}+12x$