Asked by ANON
Series converges? or diverges? Which test? explain?
(-1)^n * (4n^3)
------------(fraction)
(n^4) + 1
(-1)^n * (4n^3)
------------(fraction)
(n^4) + 1
Answers
Answered by
Steve
Since
(-1)^n / n converges, so does this one.
n^3/(n^4+1) < 1/n
(-1)^n / n converges, so does this one.
n^3/(n^4+1) < 1/n
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