- #1
man0005
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Homework Statement
For (9 + cos (n))/ n^2
Homework Equations
The Attempt at a Solution
would this be correct?
since -1 < cos x < 1
then
8/n^2 < (9 + cos (n))/ n^2 < 10/n^2?
So use p-series from there?
Therefore it converges
Am I right?