a b 2.3 Let e: (M,(R), +) → be defined by e a + d. where a,b,c,d ER (a) Prove that e is a homomorphism. (b) Determine Ker e.
a b 2.3 Let e: (M,(R), +) → be defined by e a + d. where a,b,c,d ER (a) Prove that e is a homomorphism. (b) Determine Ker e.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.2: Ring Homomorphisms
Problem 12E: 12. Consider the mapping defined by . Decide whether is a homomorphism, and justify your decision.
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![a b
2.3 Let e:(M,(R), + ) → <R,+> be defined by e
c d
= a + d where a,b,c,d ER
(a) Prove that e is a homomorphism.
(b) Determine Ker e.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F55d425c7-dc72-45ef-bec6-7e38b4e50bb4%2F79c7e8a7-7a54-48be-aa45-8694710f23b7%2Ftan0l8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:a b
2.3 Let e:(M,(R), + ) → <R,+> be defined by e
c d
= a + d where a,b,c,d ER
(a) Prove that e is a homomorphism.
(b) Determine Ker e.
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