FICHA

$\lim_{x \to \0 } arcsen(7x)\cdot cotg x=?$

$\lim_{x \to \infty } \frac{(lnx)^{8}}{x}=?$

$\lim_{x \to \0 } x\cdot (lnx)^{14}=?$

$\lim_{x \to \1 } \frac{lnx}{7x-7}=?$

$\lim_{x \to \0 } \frac{4x^3+3x^2}{sen^2 (6x)}=?$

$\lim_{x \to \infty } \frac{11x}{(lnx)^{2}+8x}=?$

$\lim_{x \to \0 } \left(\frac{2}{x}-\frac{4}{sen x} \right)=?$

$\lim_{x \to \0 } (2\cdot cotgx)^{senx}=?$

$\lim_{x \to \0 } x^{tg(5x)} =?$

$\lim_{x \to \3 } \left (\frac{x}{3}\right )^{\frac{1}{x-3}}=?$

$\lim_{x \to \frac{\pi}{4} } (tgx-1)\cdot sec(6x)=?$

$\lim_{x \to \0 } \frac{e^{8 x}-e^{-7 x}}{sen(6 x)}=?$