Rieš v \( \R \) rovnicu:
\( \normalsize x-\sqrt{{x^2}-11}=1 \)
\( \normalsize K=\left\{0\right\} \)
\( \normalsize K=\left\{6\right\} \)
\( \normalsize K=\left\{7\right\} \)
\( \normalsize K=\left\{5\right\} \)