SOLUTION: show that for every positive integers n sqrt (n-1)+(n+1) is irrational

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Question 971240: show that for every positive integers n sqrt (n-1)+(n+1) is irrational
Answer by Edwin McCravy(20060) About Me  (Show Source):
You can put this solution on YOUR website!
There is a typo for this is clearly false if n=5

sqrt%28n-1%29%2B%28n%2B1%29

sqrt%285-1%29%2B%285%2B1%29

sqrt%284%29%2B6

2%2B6

8

8 is rational.  You may give the correction in the
thank-you note form below.

Edwin