blutuu

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	age	22
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	seen	Apr 15 at 5:11
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Just a college student studying computer science. I'd like to learn some programming in my spare time as well so that's why I'm here!

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19 Questions

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9	What is the converse of this statement and is it true?
5	prove that the greatest number of regions that $n \geq 1$ circles can divide the plane is $n^2-n+2$
5	Pigeon Hole Problem
4	Prove that for every positive integer $n$, $1/1^2+1/2^2+1/3^2+\cdots+1/n^2\le2-1/n$
3	If $b\mid ca$, then $b\mid a$. Is this true?

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328 Reputation

+25	prove that the greatest number of regions that $n \geq 1$ circles can divide the plane is $n^2-n+2$
+20	Prove that for every positive integer $n$, $1/1^2+1/2^2+1/3^2+\cdots+1/n^2\le2-1/n$
+10	Show that the sum of 2n + 1 consecutive integers is divisible by 2n + 1.
+5	Prove $(n^5-n)$ is divisible by 5 by induction.

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1 Answer

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0	Set Relation question

16 Tags

0 discrete-mathematics × 17	0 graphing-functions × 2
0 induction × 6	0 relations × 2
0 equivalence-relations × 3	0 logic × 2
0 elementary-set-theory × 2	0 elementary-number-theory × 2
0 calculus × 2	0 inequality

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3 Accounts

$Mathematics Stack Exchange$	Mathematics	328 rep	7
	Stack Overflow	126 rep	5
	Geographic Information Systems	101 rep

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