Mathematics
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Lil
  • Member for 9 years, 10 months
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All Questions Answers
Score Newest
question
24
What is the flaw in this proof that all triangles are isosceles?
Sep 4, 2014
question
22
$(a,b)\!=\!1\!=\!(a,c)\Rightarrow (a,bc)\!=\!1$ [coprimes to $\,a\,$ are closed under products]
Feb 12, 2014
question
6
Solving simultaneous congruences with the Chinese remainder theorem
May 2, 2014
question
6
Prove that if the $\gcd(a,b)=1$, then $\gcd(a+b,ab)=1$ [duplicate]
Mar 2, 2014
question
5
How to prove: if $a$ divides $b$ and $b\neq 0$ then $|a|\le |b|$.
Feb 3, 2014
question
5
If a and b are odd integers, then $8\mid (a^2-b^2)$ [duplicate]
Feb 14, 2014
question
5
Prove that $3a^2-1$ is never a perfect square when $a$ is an integer
Feb 27, 2014
question
4
Show that $89|(2^{44})-1$ [duplicate]
Mar 25, 2014
question
4
Determine whether or not the series $\sum\limits_{n=2}^\infty (\frac{n+4}{n+8})^n$ converges or diverges
Jul 7, 2015
question
3
One to one function between [0,1] and [0,2]: How to prove or disprove?
Feb 2, 2015

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