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Somatório e Produtório (view source)
Revision as of 00:05, 10 December 2015
, 00:05, 10 December 2015→Exemplo 6
Temos:
<math>\sum_{k=1}^{n} k = \frac{n(n+1)}{2}</math> e teremos que descobrir o <math>\sum_{k=1}^{n} k!</math> então <math>\sum_{k=1}^{n} k!+(n+1)! = \sum_{k=0}^{n} (k!+1)! </math> <math>1+\sum_{k=1}^{n} (k+1)! = 1+\sum_{k=1}^{n} (k+1)k!</math> <math>1+\sum_{k=1}^{n} (k+1)!</math>
===Exemplo 7===
