Rieš v \( \R \) rovnicu:
\( \large\frac{{2x-3}}{{x^3+1}}=\frac{1}{{x^2-x+1}}-\frac{2}{{x^2+2x+1}} \)
\( \large K=\left\{{-\frac13;3}\right\} \)
\( \large K=\left\{{-\frac13;1}\right\} \)
\( \large K=\left\{{-\frac23;2}\right\} \)
\( \large K=\left\{{-\frac13;2}\right\} \)