How do you write the sum from i=1 to n with latex?

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- May 23rd 2009, 08:09 PMVonNemo19index of summation
How do you write the sum from i=1 to n with latex?

- May 23rd 2009, 08:18 PMKrizalid
[tex]\sum_{i=1}^{n}[/tex]

in this case the {n} is unnecessary, 'cause is just one element; if you want to type something like then you require to add the brackets {} for n-1.