Re: determine maximal ideals



Robin Chapman wrote:
> Li Yi wrote:
>
> > (4) (x+1)/(x^2+2x+1)?
>
> That's not a maximal ideal (or any sort of ideal) of
>
> >(d) R[x]/(x^2+x+1).
>

Why?
I think that J/I is an ideal of R/I if J is an ideal containing I.

.

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