Question

dados os termos a1=17 e a25=103 obter a razão dessa p.a

Answer 1

103=17+(25-1).r
103=17+24r
24r=86
r=86/24
r≈3,58

Answer 2

103=17+(25-1).r 103=17+24r 24r=86 r=86/24 r≈3,58.