Question

interpole 6 meios aritimeticos entre 1 e 36

Answer 1

a1 = 1
a8 = 36
r = ?

an = a1 + (n-1)r
a8 = a1 + (8-1).r
36 = 1 + 7r
36 - 1 = 7r
7r = 35
r = 35/7
r = 5

P.A (1, 6, 11, 16, 21, 26, 31, 36)