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Puzzling
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Ant
  • Member for 7 years, 8 months
  • Last seen more than a month ago
  • New York, NY, USA
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$$\int$$

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7
A mysterious love letter [closed]
Jan 25, 2018
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16
Prove: $\lim_{n\to\infty}{\sum_{m=0}^{n}{\sum_{k=0}^{n-m}{\frac{2^{n-m-k}}{n-m+1}\,\frac{{{2k}\choose{k}}{{2m}\choose{m}}}{{{2n}\choose{n}}}}}}=\pi$
14
Is $15/52$ equal to $17/59$?
13
Evaluate $\int_{0}^{\pi/2}{\frac{d\theta}{{\left(\cos^3{\theta}+\sin^3{\theta}\right)}^{2/3}}}$
10
Interesting Array of Integers with Strange Pattern
9
Rolling two dice, what is the probability that two consecutive $7$s happens earlier than a $12$?