SOLUTION: Find a8 if a1=-21, an=an-1-3; for n=2,3,4.... Please help me solve this one. I don't know how to do it.
Algebra ->
Sequences-and-series
-> SOLUTION: Find a8 if a1=-21, an=an-1-3; for n=2,3,4.... Please help me solve this one. I don't know how to do it.
Log On
Question 38031: Find a8 if a1=-21, an=an-1-3; for n=2,3,4.... Please help me solve this one. I don't know how to do it. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website!
Find a8 if a1=-21, an=an-1-3
You have a garble in your posting
an cannot be an-1-3 as you have indicated.
Cheers,
Stan H.
(