SOLUTION: Hello I need help anyone can someone explain n give me the answers In the following geometric sequence,find the missing terms 3,?,?,15 Write the missing terms of th

Algebra ->  Finance -> SOLUTION: Hello I need help anyone can someone explain n give me the answers In the following geometric sequence,find the missing terms 3,?,?,15 Write the missing terms of th      Log On


   

Question 1015547: Hello I need help anyone can someone explain n give me the answers


In the following geometric sequence,find the missing terms
3,?,?,15
Write the missing terms of the geometric sequence
3,_,_,15


(Type the exact answer,using radicals as needed)
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
a1=3
a4=15
a4=3*r^3---------3r^(n-1) where n=4
3r^3=15
r^3=5
r= 5 ^(1/3)
a2=3*5^(1/3)
a3=3*5^(2/3)