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9. The inverse of an element a of Z under the operation * defined as a*b = a + b - 1 is_ A. a -2 C.-(a + 2) B. 2-a D. not existing

9. The inverse of an element a of Z under the operation * defined as a*b = a + b - 1 is_ A. a -2 C.-(a + 2) B. 2-a D. not existing

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.5: The Binomial Theorem
Problem 16E
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9. The inverse of an element a of Z under the operation * defined as a*b = a + b - 1 is_ A. a - 2 C. -(a + 2) B. 2-a D. not existing a
Transcribed Image Text:9. The inverse of an element a of Z under the operation * defined as a*b = a + b - 1 is_ A. a - 2 C. -(a + 2) B. 2-a D. not existing a
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