Question

Determine os sete primeiros termos da sequencia: an= 4n - 2

Answer 1

an=4n-2
a1=4.1-2=4-2=2
a2=4.2-2=8-2=6
a3=4.3-2=12-2=10
a4=4.4-2=16-2=14
a5=4.5-2=20-2=18
a6=4.6-2=24-2=22
a7=4.7-2=28-2=26

(2,6,10,14,18,22,26,...)