Respostas

2012-12-08T11:46:04-02:00

N=4

A¹= -5                               AN=A¹+ (N-1) .R

r= 11                                AN= (-5) + (4-1) . 11

                                       AN= 5 + 3.11 = 33

                                      33+5 =38

 

 

          Acho que está certa , espero ter te ajudado :D

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