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OpenStudy (anonymous):
Let f:R[x] ---->R be a function that maps each polynomial in R[x] onto its constant term. Show that f is a surjective homomorphism of rings.
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OpenStudy (experimentx):
not sure ... but but show f:R1(x)*R2(x) --> R1*R2 and f:R1(x) + R2(x) ---> R1 + R2 which is true for polynomials.
OpenStudy (anonymous):
thank you
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