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| − | The E[x] equation can be simplified (rid the summation term) by using a differentiated for of the commonly used geometric series. <math>\sum_{n=0}^\infty | + | The E[x] equation can be simplified (rid the summation term) by using a differentiated for of the commonly used geometric series. <math>\sum_{n=0}^\infty r^n = 1/(1-r)</math> |
Revision as of 12:22, 18 September 2008
The E[x] equation can be simplified (rid the summation term) by using a differentiated for of the commonly used geometric series. $ \sum_{n=0}^\infty r^n = 1/(1-r) $
