2\; .\end{array}\right\\\\(\frac{x^2}{4})'=\frac{1}{4}\cdot 2x= \frac{x}{2}\\\\f(x)=\left\{\begin{array}{l}0\; ,\; esli\; x\leq 0\; ,\\\frac{x}{2}\; ,\; esli\; 02\; .\end{array}\right " alt=" f(x)=F'(x)\\\\F(x)=\left\{\begin{array}{l}0\; ,\; esli\; x\leq 0\; ,\\\frac{x^2}{4}\; ,\; esli\; 02\; .\end{array}\right\\\\(\frac{x^2}{4})'=\frac{1}{4}\cdot 2x= \frac{x}{2}\\\\f(x)=\left\{\begin{array}{l}0\; ,\; esli\; x\leq 0\; ,\\\frac{x}{2}\; ,\; esli\; 02\; .\end{array}\right " align="absmiddle" class="latex-formula">