do sprawdzenia granice.

[darphus]

\(\displaystyle{ \lim_{ x\to \infty } \frac{3}{ \sqrt{4n ^{2}+3n }-2n }=4}\)
\(\displaystyle{ \lim_{x \to \infty } \frac{5n+sin5n}{15n+15}= \frac{1}{3}}\)
\(\displaystyle{ \lim_{ x\to \infty }\left( \frac{n+9}{n+5} \right) ^{3n+2}=e ^{12}}\)

[florek177]

ok