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Simple Summation!

Algebra Level 3

\[\large{\sum_{k=1}^{99} \dfrac{1}{k\sqrt{k+1} + (k+1)\sqrt{k}}} = \ ?\]

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Excel in math and science

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It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 6 million people

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including olympiad champions, researchers, and professionals.

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by Satyajit Mohanty

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