Question

Interpole 4 meios aritméticos entre 14 e 49
(explique)

Answer 1

n = 6   a1 = 14      a6 = 49

a6 = 49
a1 + 5r = 49
14 + 5r = 49
5r = 49 - 14
5r = 35
r = 35/5
r = 7

P.A.( 14, 21, 28, 35, 42, 49 )