Question

2) Calcule o número de termos das PG, sabendo que
b) a1= 6,q=2 e an = 96,​

Answer 1

an = a1. q^n-1 ↓

q^n-1 = an/a1

2^n-1 = 96/6

2^n-1 = 16

2^n-1 = 2^4

n-1= 4

n = 5