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Discrete Math If R is a ring with unity and a,b are units of R, prove that ab is a unit of R and that
Discrete Math
If R is a ring with unity and a,b are units of R, prove that ab is a unit of R and that (ab)1=b1a1
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Intelligent Databases Technologies And Applications
Authors: Zongmin Ma
1st Edition
1599041219, 978-1599041216
