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" alt=" \lim_{x \to \infty} f(x)=L<=>" align="absmiddle" class="latex-formula"> для любого ε>0 есть
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для которого выполняется (для любого
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x_0" alt="x>x_0" align="absmiddle" class="latex-formula">

ε)
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" alt=" \lim_{x \to \infty} f(x)= \infty<=>" align="absmiddle" class="latex-formula"> для любого r
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есть
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для которого выполняется (для любого
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x_0" alt="x>x_0" align="absmiddle" class="latex-formula">
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" alt="f(x)>" align="absmiddle" class="latex-formula">r)