FICHA

$\lim_{x \to \0 } (3\cdot cotgx)^{senx}=?$

$\lim_{x \to \0 } \frac{7x^3+8x^2}{sen^2 (9x)}=?$

$\lim_{x \to \infty } \frac{3x}{(lnx)^{7}+6x}=?$

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

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

$\lim_{x \to \0 } \frac{e^{9 x}-e^{-6 x}}{sen(7 x)}=?$

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

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

$\lim_{x \to \0 } arcsen(9x)\cdot cotg x=?$

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

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

$\lim_{x \to \infty } \frac{(lnx)^{12}}{x}=?$