Top network posts

• 24 Ways of showing $\sum_\limits{n=1}^{\infty}\ln(1+1/n)$ to be divergent
• 21 What is the easiest way to integrate $\left(\frac{1-x}{1+x}\right)^{1/2}?$
• 20 The word "integral" in calculus unrelated to "integral" / "integer" in algebra?
• 20 Properties of the number 50
• 18 Prove that 16, 1156, 111556, 11115556, 1111155556… are squares.
• 16 Thoughts on the Collatz conjecture; integers added to powers of 2
• 16 $\log_9 71$ or $\log_8 61$
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