Question

Interplore 4 meios aritmeticos entre 2 e 42

Answer 1

a1=2

r=?

an=42

n=6

an=a1+(n-1).r

42=2+5.r

42-2=5.r

40=5.r

r=40/5

r=8

• interpolando:: {2,10,18,26,34,42}