FICHA

$\lim_{x \to \infty } \frac{2x}{(lnx)^{5}+8x}=?$

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

$\lim_{x \to \6 } \left (\frac{x}{6}\right )^{\frac{1}{x-6}}=?$

$\lim_{x \to \0 } arcsen(8x)\cdot cotg x=?$

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

$\lim_{x \to \0 } \frac{e^{4 x}-e^{-6 x}}{sen(5 x)}=?$

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

$\lim_{x \to \0 } x^{tg(3x)} =?$

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

$\lim_{x \to \0 } (12\cdot cotgx)^{senx}=?$

$\lim_{x \to \frac{\pi}{4} } (tgx-1)\cdot sec(10x)=?$

$\lim_{x \to \0 } \frac{6x^3+8x^2}{sen^2 (3x)}=?$