Top Network Posts

• 101 Why not include as a requirement that all functions must be continuous to be differentiable?
• 82 Unexpected examples of natural logarithm
• 80 Can a binary operation have an identity element when it is not associative and commutative?
• 54 Why a $20$ digit number starting with eleven $1$'s cannot be a perfect square?
• 45 How many times do you have to use L'Hôpital's rule?
• 43 Can we use symmetry rules in improper integrals?
• 42 Why is the notion of analytic function so important?
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