$\lim_{x\to\infty}\left(cos\left(\frac{1}{x}\right)\right)$

$\left(x-1\right)^4\cdot\left(x^2-2x\right)$

$24\cdot2-8\cdot$

$2xy^3\cdot xy^{-4}$

$\lim_{x\to\infty}\left(x^2+1\right)e^{-x}$

$efectua\left(2^{\frac{2}{\:3}}\cdot\:4^{\frac{3}{4}}\cdot\:8^{\frac{1}{2}}\right)^{\frac{3}{2}}$

$0243\cdot41$