November 2018 1 25 Report

1. Oblicz

a. \frac{1}{x^{2}+5x+6} - \frac{-7x+1}{x^{2}-9}

b. \frac{5x-21}{4x^{4}-x^{2}} : \frac{x+1}{2x^{2}-x}

2. Dla jakich m i n zachodzi podana równość :

\frac{m}{-2x+3}+\frac{n}{x}=\frac{5x}{x(2x-3)}?


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