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Question

[attach]108202[/attach] Spiegare e argomentare.

cmc · Accepted Answer

$ f(x) =  frac {x^2-2x-3}{|x-3|} =  frac {(x-3)(x+1)}{|x-3|} $ grafico [attach]108276[/attach]  displaystyle  lim _{x  to 3^-} f(x) = - 4$  displaystyle  lim _{x  to 3^+} f(x) =  4$

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