Question

encontre o termo geral da p.a (3,5,7,...) ?

Answer 1

an= 3 + (n-1)2
an=3+2n -2
an=2n+1

Answer 2

(3,5,7,...) a1=3 r=2 7-5=2 n=7 an=a1+(n-1).e a7=3+(7-1).2 a7=3+6.4 a7=3+24=(a7=27)