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Mathematics
Stefan4024's user avatar
Stefan4024's user avatar
Stefan4024's user avatar
Stefan4024
  • Member for 11 years, 6 months
  • Last seen more than 2 years ago
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31
Answering old questions with already accepted answers
Nov 17, 2017
question
2
How can you use former picture(identicon) as profile picture?
Dec 17, 2013
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71
Is $0! = 1$ because there is only one way to do nothing?
43
Fermat's Last Theorem near misses?
21
Is there a way to get trig functions without a calculator?
21
Prove $\sqrt{a} + \sqrt{b} + \sqrt{c} \ge ab + bc + ca$
18
Prove $\sqrt{3a + b^3} + \sqrt{3b + c^3} + \sqrt{3c + a^3} \ge 6$