Question

interpole 8 meios aritméticos entre -1 e 26

Answer 1

a1=-1

n=10

an=26

r=?

an=a1+(n -1).r

26=-1+9.r

26+1=9.r

27=9.r

r=27/9

r=3

interpolando:: {-1,2,5,8,11,14,17,20,23,26}