Question

Calcule a fórmula do termo geral de cada PA:a) (2,7, ...)b) (-1,5, ...)

Answer 1

an = a1 + (n - 1) r

a) (2,7,...)

an = 2 + (n - 1)5

an = 2 + 5n - 5 

an = 5n -3

b) (-1,5,...)

an = -1 + (n - 1) 6

an = -1 + 6n - 6

an = 6n - 7

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06/04/2016
Sepauto - SSRC
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