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=Homework 2 collaboration area= | =Homework 2 collaboration area= | ||
| − | <math>\sum_{n=1}^N 1 = N</math> | + | <math>\sum_{n=1}^N 1 = N</math> |
| − | <math>\sum_{n=1}^N n = \dfrac12N</math> | + | |
| − | <math>\sum_{n=1}^N 1 = N</math> | + | <math>\sum_{n=1}^N n = \dfrac12N\left(N+1\right)</math> |
| + | |||
| + | <math>\sum_{n=1}^N 1 = N</math> | ||
[[Category:MA181Fall2011Bell]] | [[Category:MA181Fall2011Bell]] | ||
Revision as of 21:39, 3 September 2011
Homework 2 collaboration area
$ \sum_{n=1}^N 1 = N $
$ \sum_{n=1}^N n = \dfrac12N\left(N+1\right) $
$ \sum_{n=1}^N 1 = N $
