SOLUTION: Find the n th term of series 1: -1+1/2-1/3+1/4............ 2: 3-6+9-12+...............

Question 1127877: Find the n th term of series
1: -1+1/2-1/3+1/4............
2: 3-6+9-12+...............
Answer by ikleyn(52787) (Show Source): You can put this solution on YOUR website!
.
How it is written in the post, it makes no sense.

The correct formulation to the problem is THIS :

    Find the n-th term of the sequences    

        1: -1, +1/2,  -1/3,  +1/4, . . . 
        2:  3, -6,     +9,   -12, . . .

It was posted (and edited by me) earlier, and I answered to these questions under the link

https://www.algebra.com/algebra/homework/Sequences-and-series/Sequences-and-series.faq.question.1127653.html

https://www.algebra.com/algebra/homework/Sequences-and-series/Sequences-and-series.faq.question.1127653.html

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