SOLUTION: Plese help dont understad how to resolve. Thanks in advance An={3, 3/4, 3/16, 3/64...}

Algebra ->  Sequences-and-series -> SOLUTION: Plese help dont understad how to resolve. Thanks in advance An={3, 3/4, 3/16, 3/64...}      Log On


   

Question 1008774: Plese help dont understad how to resolve.
Thanks in advance
An={3, 3/4, 3/16, 3/64...}
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Notice the first term, a1, is 3.
Each succeeding term thereafter is one-fourth as great. That means your common ratio, r, is 1/4.
We can write this geometric sequence as
an = a1 * r^(n-1)
an+=+3%2A%28%281%2F4%29%5E%28n-1%29%29