Spo�t�te limity:
$$
\lim_{n \to + \infty}\frac{n^2 + n^4}{n + n^4}, \qquad
\lim_{n \to + \infty}\frac{n^{3 \over 2} + n^{1
\over 2}}{n^2 + {2 \over n}}.
$$
