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AMiAL/ICT/Wykłady/1 SEM/20221125083233.md
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AMiAL/ICT/Wykłady/1 SEM/20221125083233.md
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$$
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\begin{gathered}
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f(x)=\frac{x^{2}-2x}{x^{2}-3x+2} \\\\
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D_{f}=\mathbb{R} \setminus \{ 1, 2 \} \\
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x^{2}-3x+2\ne0 \\
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(x-1)(x-2)\ne0 \\
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x\ne1\ \ \ \ x\ne2 \\
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D_{f}\in(-\infty, 1) \cup (1,2) \cup (2,\infty)\\
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\lim_{x\rightarrow1}=
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granica\ pionowa\ obustronna\ w\ 1
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\end{gathered}
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$$
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# Ciągłość funkcji
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