Question

Insira 6 meios aritméticos entre 29 e 8

Answer 1

a1 = 29
an= 8
n= 6 +2 = 8


   
29 + (8-1).r = 8
  7r = 8 - 29
7n = - 21
 n = - 3

( 29, 26,23,20,17,14,11,8)