Mathematics
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user2993422
  • Member for 8 years, 4 months
  • Last seen more than 6 years ago
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51
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5
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26
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49
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5
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9
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17
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26
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49
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20
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38
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View all questions and answers
All Questions Answers
Score Newest
answer
5
$[G:Z(G)] = n$ prove that each conjugacy class has at most n elements
Sep 7, 2015
question
5
prove that $\operatorname{lcm}(n,m) = nm/\gcd(n,m)$
Jun 9, 2015
question
5
$[G:Z(G)] = n$ prove that each conjugacy class has at most n elements
Sep 7, 2015
question
4
prove that there are infinitely many numbers of the form $x = 111....1$ such that $31\mid x$
Jun 13, 2015
question
4
Solve $x^8 \equiv 3 \pmod {13}$
Jun 20, 2015
question
3
find all natural solution that satisfy $x^2+y^2 = 3z^2$
Jun 9, 2015
question
3
prove that $(n \Bbb Z /k \Bbb Z)/(m \Bbb Z /k \Bbb Z) \cong n\Bbb Z / m \Bbb Z$
Jun 18, 2015
question
3
Find all the solutions of $y^2 \equiv 5x^3 \pmod 7$
Jun 20, 2015
question
3
$x^2 + 3x + 7 \equiv 0 \pmod {37}$
Jun 23, 2015
question
2
show that $\lim(\pi(x)/x) = 0$
Jun 9, 2015

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