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Prove that A = B where: A = {1, 2} B = {x | x3 − 2x2 − x + 2 = 0} DISCRETE STRUCTURES MATH SETS

Elements Of Modern Algebra

8th Edition

ISBN:9781285463230

Author:Gilbert, Linda, Jimmie

Publisher:Gilbert, Linda, Jimmie

Chapter3: Groups

Section3.2: Properties Of Group Elements

Problem 30E: 30. Prove statement of Theorem : for all integers .

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Prove that A = B where:
A = {1, 2}
B = {x | x3 − 2x2 − x + 2 = 0}

DISCRETE STRUCTURES MATH SETS

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