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Riešenie sústavy rovníc
Rieš v \( \R \) × \( \R \) sústavy rovníc:
\( \normalsize x^2+y^2\ –\ 4=0 \)
\( \normalsize x+2y=0 \)
\( \large K=\left\{{\left[{-\frac{{3\sqrt5}}{5};\frac{{2\sqrt5}}{5}}\right];\left[{\frac{{4\sqrt5}}{5};-\frac{{3\sqrt5}}{5}}\right]}\right\} \)
\( \large K=\left\{{\left[{-\frac{{4\sqrt5}}{6};\frac{{2\sqrt5}}{5}}\right];\left[{\frac{{4\sqrt5}}{5};-\frac{{2\sqrt5}}{6}}\right]}\right\} \)
\( \large K=\left\{{\left[{-\frac{{4\sqrt5}}{5};\frac{{2\sqrt5}}{5}}\right];\left[{\frac{{4\sqrt5}}{5};-\frac{{2\sqrt5}}{5}}\right]}\right\} \)
\( \large K=\left\{{\left[{-\frac{{4\sqrt5}}{5};\frac{{3\sqrt5}}{5}}\right];\left[{\frac{{3\sqrt5}}{5};-\frac{{2\sqrt5}}{5}}\right]}\right\} \)