Question

Determine quantos termos tem a P.G (6,18, ..., 1458).

Answer 1

1458/6 = 3⁽ⁿ ⁻¹⁾
243 = 3⁽ⁿ ⁻¹⁾
3⁵ = 3⁽ⁿ ⁻¹⁾

$5 + 1 = n \\ 6 = n$