SOLUTION: Use cases to prove that x^2+x-1=0 has no rational solutions.
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Question 362883: Use cases to prove that x^2+x-1=0 has no rational solutions.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
By the rational roots theorem, if the equation has rational roots, they are of the form,
or
For ,
so that is not a solution.
For ,
so that is not a solution.
So there are no rational roots.
.
.
.
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