perplexus.info :: Just Math : irreducible?

irreducible? (Posted on 2013-03-29)

Prove that the fraction (21n+4)/(14n+3) is irreducible for every natural number n.

Source: Russian IMO

No Solution Yet Submitted by Ady TZIDON

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Subject	Author	Date
re(2): hmmmm finding limit	Ady TZIDON	2013-03-31 08:06:34
re: hmmmm	brianjn	2013-03-30 02:58:37
An Observation and a Russian Note	brianjn	2013-03-30 02:29:18
re: hmmmm	Steve Herman	2013-03-29 18:33:20
hmmmm	broll	2013-03-29 10:32:05
Relatively easy (spoiler)	Steve Herman	2013-03-29 10:04:01

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