Top Network Posts

• 81What function can be differentiated twice, but not 3 times?
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• 45How can I write the numbers 5 and 7 as some sequence of operations on three 9s?
• 45Why is a rectangle a parallelogram, but a parallelogram is not a rectangle?
• 42Does $\lfloor \sqrt{p} \rfloor$ generate all natural numbers?
• 42Can a logarithm have a function as a base?
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