Question

na p.a (1,3,5,7,9, calcule o termo geral

Answer 1

Resposta:

an = a₁ + (n - 1) * r

r = a₂ - a₁

r = 3 - 1  

r = 2

a₁₀ = a₁ + (10 - 1) * r

a₁₀ = 1 + (10 - 1) * 2

a₁₀ = 1 + (9) * 2

a₁₀ = 1 + 18

a₁₀ = 19