How would I go about writing $\displaystyle 1/2-1/3+1/4-1/5+1/6$ in summation notation?
Follow Math Help Forum on Facebook and Google+
Originally Posted by LovesMeTrike How would I go about writing $\displaystyle 1/2-1/3+1/4-1/5+1/6$ in summation notation? $\displaystyle \sum_{n=2}^6 \frac{(-1)^n}{n}$ The $\displaystyle (-1)^n$ term gives the alternating signs.
Last edited by pomp; Oct 1st 2009 at 06:24 AM. Reason: latex
View Tag Cloud