Question 563558
the sum of the squares of three consecutive odd number is 83,find the number
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83/3 =~ 27
sqrt(27) =~ 5, the middle number
--> 3, 5 & 7, plus and minus
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You can do
(x-2)^2 + x^2 + (x+2)^2 = 83, where x is the middle number
same answer