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Situational roots of a biquadratic (Posted on 2021-03-07) Difficulty: 3 of 5
The fourth-degree polynomial P(x) is such that the equation P(x)=x has real 4 roots and any equation of the form P(x)=c has no more than two real roots. Prove that the equation P(x)=-x also has no more than two real roots.

No Solution Yet Submitted by Danish Ahmed Khan    
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