I have this kind of exercise in which I need help:
Let R be integral domain. Assume that there is an element , so that if then or with every . Show that is irreducible. (U(R) = the group of units of R)
Any help would be great.
I have this kind of exercise in which I need help:
Let R be integral domain. Assume that there is an element , so that if then or with every . Show that is irreducible. (U(R) = the group of units of R)
Any help would be great.