FICHA

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

$\lim_{x \to \8 } \left (\frac{x}{8}\right )^{\frac{1}{x-8}}=?$

$\lim_{x \to \0 } \frac{9x^3+3x^2}{sen^2 (3x)}=?$

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

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

$\lim_{x \to \0 } (5\cdot cotgx)^{senx}=?$

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

$\lim_{x \to \frac{\pi}{4} } (tgx-1)\cdot sec(2x)=?$

$\lim_{x \to \0 } \frac{e^{8 x}-e^{-6 x}}{sen(2 x)}=?$

$\lim_{x \to \infty } \frac{9x}{(lnx)^{6}+8x}=?$

$\lim_{x \to \0 } x\cdot (lnx)^{8}=?$

$\lim_{x \to \0 } arcsen(2x)\cdot cotg x=?$