Question

interpolar 8 meios aritméticos entre 23 e 50

Answer 1

$a_{n} = a_{1} + (n-1).r \\ 50 = 23 + (10-1). r \\ 50-23 = 9r \\ r = \frac{27}{9} \\ r = 3$

Prova:

{$23,26,29,32,35,38,41,44,47,50$}