∑((n*sin(n))/(2+n^4+n)) Thato's Site
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Originally Posted by sthato ∑((n*sin(n))/(2+n^4+n)) Thato's Site $\displaystyle \frac{n\sin(n)}{2+n^4+n}<\frac{n}{2+n^4+n}$
Hello, Since the sign is not always the same, due to sin(n), take the absolute value
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