December 22nd, 2017, 12:44 AM  #1 
Newbie Joined: Apr 2017 From: India Posts: 23 Thanks: 0  Ideals
Consider the ideal I = 12Z of Z. Find a proper ideal J of Z such that I + J = Z.

December 22nd, 2017, 01:58 AM  #2 
Senior Member Joined: Aug 2017 From: United Kingdom Posts: 169 Thanks: 51 Math Focus: Algebraic Number Theory, Arithmetic Geometry  

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