Let R be a commutative ring with unity u, and let I be an ideal of R.
Question:
(a) If u ∈ 1, prove that I = R.
(b) If I contains a unit of R, prove that I = R.
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a I R For each r B ru r I so R I ...View the full answer
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Related Book For
Discrete and Combinatorial Mathematics An Applied Introduction
ISBN: 978-0201726343
5th edition
Authors: Ralph P. Grimaldi
Question Posted:
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