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\(e\) game

Calculus Level 3

\[\large e = ?\]

\[\sum_{k=1}^2\dfrac{k^2}{3k}\] \[\sum_{k=0}^\infty \dfrac{(k-1)^2}{k!}\] \[\sum_{k=0}^\infty \dfrac{(2k+3)^2}{5k!}\] None of these

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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 7 million people

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including olympiad champions, researchers, and professionals.

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by Munem Shahriar

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