SOLUTION: Find a formula a(n) for the 𝑛- th term of the following sequence. Assume the series begins at 𝑛=1. 1/1, −1/4, 1/9, …

Algebra ->  Sequences-and-series -> SOLUTION: Find a formula a(n) for the 𝑛- th term of the following sequence. Assume the series begins at 𝑛=1. 1/1, −1/4, 1/9, …      Log On


   



Question 1157234: Find a formula a(n) for the 𝑛- th term of the following sequence. Assume the series begins at 𝑛=1.
1/1, −1/4, 1/9, …

Answer by ikleyn(52787) About Me  (Show Source):
You can put this solution on YOUR website!
.

a%5Bn%5D = %28%28-1%29%5E%28n%2B1%29%29%2Fn%5E2, n = 1, 2, 3, . . .