Question

insira 5 meios geometricos sabendo que a1=1/2 e a7=32

Answer 1

a1 = 1/2
a7 = 32
r = ...
a7 = a1+6r
32 = 1/2 + 6r
6r = 32-1/2
6r = 64/2-1/2
6r = 63/2
r = 63/2 . 1/6
r = 63/12
r = 63:3/12:3
r = 21/4
PA (1/2, 23/4, 44/4,  65/4, 86/4, 107/4, 128/4) --> 128:4 = 32