wowolala Messages 24 Reaction score 0 Thread starter Jan 24, 2008 #1 Let a and b belong to a commutative ring R. Prove that { x ∈ R | ax∈bR } is an ideal. i really need help thx
Let a and b belong to a commutative ring R. Prove that { x ∈ R | ax∈bR } is an ideal. i really need help thx
ircdan Messages 229 Reaction score 0 Jan 24, 2008 #2 just use the definition of an ideal, where are you stuck exactly