Question

Encontre o termo geral da p.g. (1,5,...)

Answer 1

$Fo\´mula~~de~~PG:~~a_n=a_1 \times q^{n-1}$


$PG~(1,5,...)\\\\\\ a_1=1\\q= 5:1=5 \\\\\\a_n=a_1 \times q^{n-1}\\\\\\a_n=1 \times 5^{n-1}\to\\\\ \dfrac{a_n}{1} =5^{n-1}\to\\\\ \large\boxed{\boxed{ a_n=5^{n-1} }}$