Question

interpole 4 meios aritimeticos entre 5 e 40

Answer 1

a₁ = 5
a₆ = 40
r = ?

a₆ = a₁ + 5r
40 = 5 + 5r
5r = 40 - 5
5r = 35
r = 35/5
r = 7

P.A. ( 5, 12, 19, 26, 33, 40)