Rami

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230 reputation

16

bio	website
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	age	28
visits	member for	1 year, 1 month
	seen	Apr 19 at 20:18
stats	profile views	26

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8 Questions

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11	How to prove $n^5 - n$ is divisible by 30 without reduction
3	How to prove that if $m = 10t+k $ and $67\|t - 20k$ then 67\|m?
2	What are the basic generating functions?
2	How to prove $n*\varphi(n)/2 $ sum?
2	How to prove that $ φ(n^2) = n * φ(n) $?

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230 Reputation

+5	What are the basic generating functions?
+5	How to prove $n^5 - n$ is divisible by 30 without reduction
+5	Why Savitch's theorem doesn't prove that NL = L?
+5	How do I prove that if $\det(A) < 0$, then $A\in\mathbb R^{2\times 2}$ is a diagonalizable matrix?

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0 Answers

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8 Tags

0 elementary-number-theory × 4	0 combinatorics
0 totient-function × 2	0 generating-functions
0 matrices	0 number-theory
0 linear-algebra	0 computational-complexity

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	Stack Overflow	356 rep	313
$Mathematics Stack Exchange$	Mathematics	230 rep	16
	Programmers	111 rep	1
	Android Enthusiasts	101 rep

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