All I know is that it converges. Really have nothing more to say.

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- Feb 21st 2010, 10:45 PMlausingSum of a sequence

All I know is that it converges. Really have nothing more to say. - Feb 21st 2010, 11:05 PMSoroban
Hello, lausing!

Quote:

. . .[1]

The right side is a geometric series with: .

. . Its sum is: .

Hence [1] becomes: .

Therefore: .

- Feb 21st 2010, 11:14 PMlausing
Thanks!

Also, the question is erroneously posted in calculus rather than linear algebra or something, since it orginally was about derivatives. Whoops!