SOLUTION: Choose the explicit formula for the sequence 1, 1/4, 1/9, 1/16, ... Then find a15. (15 is below a. Not sure how to type that here, so I posted a pic of the question and answer

Algebra ->  Sequences-and-series -> SOLUTION: Choose the explicit formula for the sequence 1, 1/4, 1/9, 1/16, ... Then find a15. (15 is below a. Not sure how to type that here, so I posted a pic of the question and answer      Log On


   



Question 282814: Choose the explicit formula for the sequence 1, 1/4, 1/9, 1/16, ... Then find a15.
(15 is below a. Not sure how to type that here, so I posted a pic of the question and answers here: http://i44.tinypic.com/16lwyzn.jpg)

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The most likely and simple series that fits is 1/a^2
a15 = 1/225