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Let f(x) = x^3+bx+c  where b and c are integers.  If f(5+\sqrt 2)=0 determine b+c

 Oct 7, 2020
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Read this:

 

https://web2.0calc.com/questions/let-f-x-x-3-bx-c-where-b-and-c-are-integers-if-f

 

Maybe CPhil's solution will help. :)

 Oct 7, 2020

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