Let Rbe a ring, and a, b e R.What is the needed condition on R such that the expression (a + b) (a – b) = a² – b² | - ? is true Ris a commutative ring Ris a ring with unity Every nonzero element of R is a unit every element of R is an idempotent
Let Rbe a ring, and a, b e R.What is the needed condition on R such that the expression (a + b) (a – b) = a² – b² | - ? is true Ris a commutative ring Ris a ring with unity Every nonzero element of R is a unit every element of R is an idempotent
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter8: Polynomials
Section8.1: Polynomials Over A Ring
Problem 3TFE
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