October 2018 1 22 Report

Rozwiąż 3 równania i 3 nierówności:

Nierówność

\frac{x^{2}+x+2}{{x^{2}-x-2}}>0

\frac{x^{2}-4}{{x^{2}-5x}}>0

\frac{x^{2}-2x}{{x^{2}-1}}<0

Równania

\frac{2x-3}{{x-1}}+1=\frac{6x-x^{2}-6}{{x-1}}

\frac{2x+1}{{x}}+\frac{4x}{{2x+1}}=5

\frac{2}{{x^{2}+x}}-\frac{1}{{x^{2}}}=\frac{1}{6x}


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