I know its a banal question but im new to calculus course and there are no math teachers in summer... also my book does not explain it(adsbygoogle = window.adsbygoogle || []).push({});

Why it is

[tex]\mid a_n - L \mid < \varepsilon [/tex]

And not just

[tex]L - a_n < \varepsilon [/tex]

??

wouldn't the relation be the same?

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# Basics of limits

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