Question

Encontre o termo geral da PG (1, 5,...).

Answer 1

$a_1=1 \\ q=5\div1=5 \\ \\ se~~termo~~geral \\ \\ a_n=a_1.q^{n-1} \\ \\ a_n=1.5^{n-1} \\ \\ a_n=5^{n-1} \mapsto termo~~geral$