Question

5) Dada cada PA determine o termo indicado:

a) ( -2,0,2,4, ...) a12
b) (- 15,0,15 ...) a9
c) 7,3, -1, -5, ...) a 7

Answer 1

Resposta:

a) a12 = 20

b) a9 = 105

c) a7 = -17

Explicação passo-a-passo:

a) {-2,0,2,4,6,8,10,12,14,16,18,20,...}

b) {-15,0,15,30,45,60,75,90,105,...}

c) {7,3,-1,-5,-9,-13,-17,-...}