- #1

chwala

Gold Member

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- Homework Statement
- see attached

- Relevant Equations
- Ring Theory

I am studying this now...i just want to check that my reasoning is fine,...

##[1+\sqrt{-3}]## can be factorised to

##[2⋅-1]## and ##-1## is a unit and ##2## is irreducible, therefore ##\mathbb{z}[\sqrt 3]## is a UFD.