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Source: — Problem Solving |

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by Ian Stewart » Thu Sep 25, 2008 9:37 am
This question has been asked so many time on this forum that we should probably sticky some of the solutions that have been posted. Anyway, I posted a solution here:

www.beatthegmat.com/gmat-prep-q-t14339.html

and if you search the forum for 'h(n)', you should find several other explanations.
For online GMAT math tutoring, or to buy my higher-level Quant books and problem sets, contact me at ianstewartgmat at gmail.com

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