Mathematics
Meitar Abarbanel's user avatar
Meitar Abarbanel's user avatar
Meitar Abarbanel's user avatar
Meitar Abarbanel
  • Member for 8 years, 8 months
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Score Newest
question
14
$\gcd(a,b,c)=\gcd(\gcd(a,b),c)\,$ [Associative Law for GCD, LCM]
Mar 14, 2015
question
10
Prove that if $3\mid a^2+b^2$ then $3\mid a$ and $3\mid b$.
Mar 13, 2015
question
9
Find $\lim_{n\to \infty}({1\over \sqrt{n^2+1}}+{1\over \sqrt{n^2+2}}+\cdots+{1\over \sqrt{n^2+n}})$ [closed]
Jan 29, 2015
question
8
If $U$ is unitary operator then spectrum $\sigma(U)$ is contained inside the unit circle
Jan 26, 2016
question
7
Prove that $\sum_{n=1}^{\infty}{f\left({1\over n}\right)}$ converges absolutely.
Mar 5, 2015
question
5
Finding $\lim_{x\to +\infty}(\frac{x+\ln x}{ x-\ln x})^{\frac{x}{\ln x}}$
Jan 28, 2015
question
5
Find $\lim_\limits{x\to 0}\left({\tan x\over x}\right)^{1\over 1-\cos x}$.
Mar 4, 2015
question
5
Prove that if $x^x=4$ then $x=2$.
Mar 6, 2015
question
5
Prove 3 is prime in the ring $\Bbb{Z[i]}$.
Mar 13, 2015
question
4
Prove the sequence determined by $a_{n+1}={a_n\over \sin a_n}$ is convergent, and found its limit.
Jan 28, 2015
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5
Finding the first index in which the element and the index are the same

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