Question

Interpolar 3 meios aritméticos entre 3/2 e 19/2 . ( 3/2 ,.....,......,....., 19/2)

Answer 1

vamos calcular a razão
3+2= 5 termos
a5 = a1 + 4r
19/3=3/2+4r
19/2-3/2=4r
16/2=4r
4r=8
r=8/4
r=2

a2= 3/2+2= 7/2

a3 =7/2+2= 11/2

a4 = 11/2+2 = 15/2