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October 4th, 2016, 08:52 AM   #1
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sum containing binomial coefficients

Prove that prove that $\displaystyle\binom{2n}{n}>\frac{4n}{n+1}$ for all $n\geq 2$

Last edited by panky; October 4th, 2016 at 09:29 AM.
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October 4th, 2016, 06:33 PM   #2
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Math Focus: Yet to find out.
A proof of a proof eh.
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