Exercise 4.1.14. Let o : G → H be a homomorphism. The kernel of o is the set ker o = q-1({eH}) = {g € G: 9(g) = eH}. Show o is injective if and only if ker o = {eg}.
Exercise 4.1.14. Let o : G → H be a homomorphism. The kernel of o is the set ker o = q-1({eH}) = {g € G: 9(g) = eH}. Show o is injective if and only if ker o = {eg}.
Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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