Question

Interpole cinco meios aritméticos entre 6 e 30

Answer 1

an = a1 + ( n - 1 ) r                  n = 5 + 2 = 7

30 = 6 + ( 7 - 1) r

30 = 6 + 6r

30-6 = 6r

24 = 6r    r = 4

s = [ 6  10  14  18  22  26  30 ]