Solution to Abstract Algebra by Dummit & Foote 3rd edition Chapter 7.4 Exercise 7.4.18
Solution:
We first prove a lemma.
Lemma: The map
Proof:
By the First Isomorphism Theorem for rings,
Solution to Abstract Algebra by Dummit & Foote 3rd edition Chapter 7.4 Exercise 7.4.18
Solution:
We first prove a lemma.
Lemma: The map
Proof:
By the First Isomorphism Theorem for rings,