Mathematics
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ClownInTheMoon
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All Questions Answers
Score Newest
answer
12
Prove that the intersection of two equivalence relations is an equivalence relation.
Oct 3, 2016
question
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, 2016
question
7
Probability two students are paired
Dec 10, 2016
answer
7
Strong Induction Proof: Every natural number = sum of distinct powers of 2
Jan 13, 2017
question
6
Deriving proof that $x^2 = 2^x$ has three real solutions
Sep 7, 2016
answer
5
Show that all perfect squares are of the form $4k$ or $4k+1$
Oct 4, 2016
answer
5
Probability of drawing exactly 13 black & 13 red cards from deck of 52
Nov 21, 2016
question
4
Question on proof of linearity of expectation involving discrete random variables
Nov 17, 2016
question
4
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, 2016
question
3
Prime factorization of $9095625$ by hand
Sep 19, 2016

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