# Difference between revisions of "User:Admin"

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Line 2: | Line 2: | ||

<math>a\mid b</math> | <math>a\mid b</math> | ||

<math>2n!!</math> | <math>2n!!</math> | ||

− | <math>\sum_{n=0}^{\infty}\frac1n</math> | + | <math>\sum_{n=0}^{\infty}\frac1n+1=2</math> |