FICHA

$\lim_{x \to \infty } \frac{8x}{(lnx)^{7}+8x}=?$

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

$\lim_{x \to \infty } \frac{(lnx)^{3}}{x}=?$

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

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

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

$\lim_{x \to \1 } \frac{lnx}{6x-6}=?$

$\lim_{x \to \0 } (6\cdot cotgx)^{senx}=?$

$\lim_{x \to \7 } \left (\frac{x}{7}\right )^{\frac{1}{x-7}}=?$

$\lim_{x \to \0 } x^{tg(13x)} =?$

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

$\lim_{x \to \0 } \frac{2x^3+9x^2}{sen^2 (4x)}=?$