Question

Interpole o 11 meios aritméticos entre 1 e 37

Answer 1

PA(1,___,___,___,___,___,___,___,___,___,___,___,37)

an = 37
a1 = 1
n = 13

an = a1 + (n - 1).r
37 = 1 + (13 -1).r
37 = 1 + 12.r
37 - 1 = 12.r
12.r = 36
r = 36/12
r = 3

PA(1,4,7,10,13,16,19,22,25,28,31,34,37)

Espero ter ajudado.