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Uprav podmienky zlomku
Uprav v \( \R \) urč podmienky:
\( \large\frac{{-x}}{{3-x}}-\frac{3}{{x-3}} \)
\( \large\frac{-x}{3-x}-\frac{3}{x-3}=\frac{-x}{3-x}-\frac{3}{3-x}=\frac{-2x}{3-x}= \)
\( =-2 \)
\( \normalsize x\neq3 \)
\( \large\frac{-x}{3-x}-\frac{3}{x-3}=\frac{-x}{3-x}+\frac{3}{3-x}=\frac{2x}{3-x}= \)
\( =2 \)
\( \normalsize x\neq3 \)
\( \large\frac{-x}{3-x}-\frac{3}{x-3}=\frac{-x}{3-x}+\frac{3}{3-x}=\frac{3-x}{3-x}= \)
\( =1 \)
\( \normalsize x\neq3 \)
\( \large\frac{-x}{3-x}-\frac{3}{x-3}=\frac{-x}{3-x}+\frac{3}{3-x}=\frac{-x+3}{3-x}= \)
\( =0 \)
\( \normalsize x\neq3 \)