Math Problem Statement
diberikan ring R dengan elemen satuan 1_R dan tidak membpunyai pembagi nol. buktikan bahwa untuk setiap a,b elemen R jika ab = 1_R, maka ba = 1_R
Solution
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Math Problem Analysis
Mathematical Concepts
Ring Theory
Algebra
Non-zero Divisors
Invertible Elements
Formulas
ab = 1_R implies ba = 1_R in a ring without zero divisors
Theorems
Property of Invertible Elements in Rings
Cancellation Law in Rings without Zero Divisors
Suitable Grade Level
University Level (Abstract Algebra)