Mathematics
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ClownInTheMoon

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

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  • Member for 4 years, 7 months
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  • Last seen Aug 8 '20 at 18:12

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8 Prove that $\sum_{k=0}^nk{m+k \choose m}=n{m+n+1\choose m+1}-{m+n+1 \choose m+2}$ Sep 24 '16
7 Probability two students are paired Dec 10 '16
6 Deriving proof that $x^2 = 2^x$ has three real solutions Sep 7 '16
6 Prove that the intersection of two equivalence relations is an equivalence relation. Oct 3 '16
6 Strong Induction Proof: Every natural number = sum of distinct powers of 2 Jan 13 '17
5 Probability of drawing exactly 13 black & 13 red cards from deck of 52 Nov 21 '16
5 Show that all perfect squares are of the form $4k$ or $4k+1$ Oct 4 '16
3 Prove or disprove: if $R$ and $S$ are two equivalence relations on a set $A$ then $R\cup S$ is also an equivalence relation. Oct 3 '16
3 Prime factorization of $9095625$ by hand Sep 19 '16
3 This question concerns functions $f:\{A,B,C,D,E\}\rightarrow\{1,2,3,4,5,6,7\}$ (counting) Oct 14 '16
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