Question

Calcule o 7° termo da PG (3, 12, ... )

Answer 1

$\mathsf{q=12\div3=4}\\\mathsf{a_{7}=a_{2}.{q}^{5}}\\\mathsf{a_{7}=12.{4}^{5}}\\\mathsf{a_{7}=12.1024=12288}$