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GMAT800: numbers

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by akshatsingh » Mon May 12, 2008 10:50 pm
I think E the answer.

If yes, put n=2 and n=10 to verify..
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by netigen » Tue May 13, 2008 12:23 pm
Ans is E but that probably is not the best approach or the right approach.
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by akshatsingh » Tue May 13, 2008 10:55 pm
i dont look for the best approach, i look for the correct answer :)

As for another approach,you can solve this equation which would be lengthy. but you can be more confident if you simplfy the equation.
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