Bart Michels
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Member for 9 years, 9 months
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Last seen more than a week ago
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Some answers I am proud of:
- Proving the identity $\sum_{k=1}^n {k^3} = \big(\sum_{k=1}^n k\big)^2$ without induction (cool)
- Hat 'trick': Can one of them guess right? (surprising)
- Show that $\mathbb{R}^n$ cannot be written as a countable union of proper subspaces (funny)
Remember to Vote often.
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Civic DutyMay 17, 2018
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EnthusiastApr 19, 2015
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Self-LearnerApr 12, 2015
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OrganizerApr 3, 2015
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CuriousApr 9, 2015
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