- #1
lyranger
- 9
- 0
How to determine if cos(2n)/n^0.5 is convergent?
I've tried summation by parts and other methods but none of them works.
Hope someone can help me. Cheers
Sorry its the sum where n goes from 1 to infinity
I've tried summation by parts and other methods but none of them works.
Hope someone can help me. Cheers
Sorry its the sum where n goes from 1 to infinity
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