allypuckettou69z2 allypuckettou69z2

04-08-2017
Mathematics

contestada

what is the sum of the last four terms of the series 97+99+101+...+121

Respuesta :

04-08-2017

This is an arithmetic sequence because each term is 2 greater than the previous term. So the sum of the last four terms are:

121+119+117+115

472

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