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Řešení kvadratické rovnice
Řeš v ℝ rovnice:
\large -x^{2} + 14 x-49 = 0
\left. {K = \left\{ 7 \right.} \right\}
\left. {K = \left\{ 0 \right.} \right\}
\left. {K = \left\{ 14 \right.} \right\}
\left. {K = \left\{ -7 \right.} \right\}
Řeš v ℝ rovnice:
\large -x^{2} + 14 x-49 = 0
\left. {K = \left\{ 7 \right.} \right\}
\left. {K = \left\{ 0 \right.} \right\}
\left. {K = \left\{ 14 \right.} \right\}
\left. {K = \left\{ -7 \right.} \right\}