Question

interpole 11 meios aritméticos entre 1 e 37

Answer 1

n = 13      a1 = 1   a13 = 37     r = ?

a13 = 37
a1 + 12.r = 37
1 + 12r = 37
12r = 37 - 1
12r = 36
r = 36/12
r = 3              PA ( 1, 4, 7,10, 13, 16,19,22, 25, 28, 31, 34, 37 )