Řeš v \( \mathbb{R} \) rovnici:
\( \large x-\sqrt {{x^2}-11} = 1 \)
\( \large K = \left \{ 7 \right \} \)
\( \large K = \left \{ 6 \right \} \)
\( \large K = \left \{ -6 \right \} \)
\( \large K = \left \{ 5 \right \} \)