In what interval can be if we know that the sum of the squares of the roots of equals to 1 ( ).
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Originally Posted by james_bond In what interval can be if we know that the sum of the squares of the roots of equals to 1 ( ).
Originally Posted by NonCommAlg Thanks but could you go into more details? Thanks in advance!
Originally Posted by james_bond Thanks but could you go into more details? Thanks in advance! there exists some such that let we have finally use the fact that to finish the proof.
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