Finding Polynomials in the Kernel of the Evaluation Homomorphism θ_5

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SUMMARY

The discussion focuses on identifying six polynomials in the kernel of the evaluation homomorphism θ_5: Q[x]→ℝ. Participants confirm that polynomials with rational coefficients that evaluate to zero at x=5 are valid. The polynomials mentioned include 0, x-5, x^2-25, and x^3-5x^2-25x+125, all of which belong to the kernel of θ_5. The task is to find additional polynomials that satisfy this condition.

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Homework Statement



For the evaluation homomorphism θ_5: Q[x]→ℝ, find 6 elements in the kernel of the homomorphism.





The Attempt at a Solution



Basically, I find 6 polynomials with rational coefficients that will equal zero when evaluated at 5, am I correct on this?

So far I have 0, x-5, x^2-25. Is x^3-5x^2-25x+125 one also?

Thanks
 
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