Hlubok� n�dech d�v�
$$
\int _{0}^{6}\!{\frac {\left (6-t
\right )^{2}\sqrt {t}}{100}}{dt}={
\frac {288\,\sqrt {6}}{875}} \doteq 0.806
$$
litr� vzduchu,
dva kr�tk� n�dechy
$$
2 \int _{0}^{3}\!{\frac {\left (3-t
\right )^{2}\sqrt {t}}{10}}{dt}={
\frac {144\,\sqrt {3}}{175}} \doteq 1.42 \quad .
$$
Lep�� jsou dva krat�� n�dechy.
