Uprav výraz pre: \( x \in \mathbb{R}-\{0\} \) :
\( [3+(2 x-1)] \cdot \frac{1}{x} \)
\( 3+\frac{1}{x} \)
\( 2+\frac{2}{x} \)
\( 2+\frac{1}{x^2} \)
\( 5+\frac{1}{x} \)
