Thread: Series converges

Decide whether each of the following series converges. If a given series converges, compute its sum. Otherwise, enter INF if it diverges to infinity, MINF if it diverges to minus infinity, and DIV otherwise.


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I don't understand how to solve these. Please help.

For each of these, write out the first, say, four or five terms and see how they add.

Originally Posted by superman69

Decide whether each of the following series converges. If a given series converges, compute its sum. Otherwise, enter INF if it diverges to infinity, MINF if it diverges to minus infinity, and DIV otherwise.



1.

2.

3.

I don't understand how to solve these. Please help.

All three are telescoping series. Read here (scroll down a bit): Pauls Online Notes : Calculus II - Series - Special Series