- #1
alexmahone
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Let $a_n=\sqrt{1}+\sqrt{2}+\ldots+\sqrt{n}$. Prove $a_n\sim\frac{2}{3}n^{3/2}$; ie, the ratio has limit 1 as $n\to\infty$.
I have posted my unsuccessful attempt to use the squeeze theorem. How do I improve the upper bound?
https://www.physicsforums.com/attachments/9
I have posted my unsuccessful attempt to use the squeeze theorem. How do I improve the upper bound?
https://www.physicsforums.com/attachments/9
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