FICHA

$\lim_{x \to \infty } \frac{(lnx)^{14}}{x}=?$

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

$\lim_{x \to \0 } \left(\frac{3}{x}-\frac{2}{sen x} \right)=?$

$\lim_{x \to \0 } \frac{e^{9 x}-e^{-8 x}}{sen(3 x)}=?$

$\lim_{x \to \0 } x^{tg(15x)} =?$

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

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

$\lim_{x \to \infty } \frac{7x}{(lnx)^{9}+4x}=?$

$\lim_{x \to \0 } arcsen(3x)\cdot cotg x=?$

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

$\lim_{x \to \4 } \left (\frac{x}{4}\right )^{\frac{1}{x-4}}=?$

$\lim_{x \to \1 } \frac{lnx}{2x-2}=?$