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Complicated

Dogbert the Somalian Pirate

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Also,

"Prove that the sequence {(n!)^(1/n)} is divergent, by using stirlings formula."

 

n! = sqrt(2pi*n)C(n, e)^n (apprx.) so

 

n! ^ (1/n) = sqrt(2pi*n)C(n, e)^n * 1^(1/n)

= sqrt(2pi*n)C(n, e)

 

now as 'n' approaches infinity, the termm 'sqrt(2pi*n)C(n, e)' gets bigger, and does not go towards zero. Therefore the series is divergent

 

see wikipedia http://en.wikipedia. org/wiki/Stirlings_a pproximation]stir lings approximation[/url]

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