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OpenStudy (vanz):
find all rational roots for P(x)=0 , x^3-4x+1=0
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OpenStudy (vanz):
heellpppp
OpenStudy (anonymous):
you can look here if it will help you http://www.wolframalpha.com/input/?i=find+roots+x%5E3-4x%2B1%3D0
OpenStudy (unklerhaukus):
well i can see by inspection x=1 is a solution
OpenStudy (unklerhaukus):
wait, no it isn't
OpenStudy (vanz):
im confused D:
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OpenStudy (unklerhaukus):
there are no rational roots
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