All about numbers

Thursday, November 03, 2005

Infinite series for my sister

To my sister who is an education student major in mathematics in MSU-IIT, solve for the following infinite series:

1. 3/10 + 3/100 + 3/1000 + 3/10000 + ... ad infinitum
2. 9/10 + 9/100 + 9/1000 + 9/10000 + ... ad infinitum
3. 1/1^2 + 1/2^2 + 1/3^2 + 1/4^2 + ... ad infinitum

Kana lang sa. Inform me when you get them!

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