Uprav výraz \( \frac{4}{2 k+3}+\frac{6}{2 k^{2}+3 k} \) pre \( k \neq 0 \) a \( k \neq-\frac{3}{2} \).
\( =\frac{4}{k} \)
\( =\frac{2}{k-1} \)
\( =\frac{2}{k+1} \)
\( =\frac{2}{k} \)