Answer:
9,3,1,1/3,1/9
Step-by-step explanation:
A2=3
A5=1/9
Let a2 be a1, so a5 is a4
Then
A4=a1(r) ^4-1
1/9=3(r) ^3
1/27=r^3 (take cube root both sides)
1/3 =r
With this,
A1= 9
A3=1
A4=1/3
#Sana Nakatulong :)
