Question

Qual o 8 termo da p.a 9,11,13...? mim ajudem por favor

Answer 1

9/11/13/15/17/19/21/23 sendo assim, o 23 e o oitavo termo

Answer 2

$a_n=a_8=? \\ a_1=9 \\ n=8 \\ r=11-9=2 \\ \\ termo~~geral \\ \\ a_n=a_1+(n-1)r \\ \\ a_8=9+(8-1)(2) \\ a_8=9+(7)(2) \\ a_8=9+14 \\ \\ a_8=23$