Question

determine o 41 termo da PA 8,14,20,26​

Answer 1

Explicação passo-a-passo:

$a_n=a_{41}=?\\ a_1=8\\ n=41\\ r=14-8=6\\ \\ Termo~~geral\\ \\ a_n=a_1+(n-1)r\\ \\ a_{41}=8+(41-1)(6)\\ \\ a_{41}=8+(40(6)\\ \\ a_{41}=8+240\\ \\ a_{41}=248$