Question

Calcule o 6° termo das PGs.
A)PG(6,9,...)
B)PG(8,12,...)
C)PG(9,16,...)
D)PG(10,18,...)
Pra hoje!

Answer 1

vamos là.

PG

termo geral

un = u1*q^(n - 1)

u6 = u1*q^5

A)PG(6,9,...), u6 = 6*(3/2)^5 = 729/16

B)PG(8,12,...), u6 = 8*(3/2)^5 = 243/4

C)PG(9,16,...), u6 = 9*(16/9)^5 = 1048576/6561

D)PG(10,18,...), u6 = 10*(9/2)^5 = 295245/16