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Mathematics
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Rene Schipperus

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 5 years
  • 4,626 profile views
  • Last seen Aug 7 '18 at 19:34

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Top posts (1,216) All Questions Answers | Votes Newest

89 How does Cramer's rule work? Sep 26 '16
40 The number $2^{29}$ has exactly $9$ distinct digits. Which digit is missing? Jun 3 '14
33 Finding the Roots of a Certain Quartic Equation Mar 7 '18
22 Proving ${\sum_{n=1}^\infty {1\over F_n}} <4$ Nov 29 '17
21 Has any error ever been found in Euclid's elements? Jun 24 '14
17 Why did nobody prove undecidability by the “too many problems” argument? Nov 22 '17
16 Why is Axiom of Choice required for the proof of countable union of countable sets is countable? Sep 21 '16
15 Lambert's Original Proof that $\pi$ is irrational. Aug 13 '14
15 Google Interview Question about a town where if a couple has a girl born, they can't have more children… Oct 1 '14
14 Limit of $\lim\limits_{n\to\infty} (1 + \frac{x_n}{n})^n$ Aug 8 '14
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