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Řešení rovnice v reálných číslech
Řeš v \mathbb{R} rovnici (x \sqrt{2}-x-1)(\pi x+\sqrt{2})\left(x^{2}+1\right)=0.
K=\left\{-\frac{\pi}{\sqrt{2}} ; 1-\sqrt{2}\right\}
K=\left\{-\frac{\sqrt{2}}{\pi} ; \sqrt{2}+1\right\}
K=\left\{\frac{\sqrt{2}}{\pi} ; -\sqrt{2}-1\right\}
K=\left\{\frac{\pi}{\sqrt{2}} ; \sqrt{2}-1\right\}