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Let x, y, z E R. Prove that if x – 2y + 3z is odd, then 4xy – 6z is even.

Elements Of Modern Algebra

8th Edition

ISBN:9781285463230

Author:Gilbert, Linda, Jimmie

Publisher:Gilbert, Linda, Jimmie

Chapter2: The Integers

Section2.1: Postulates For The Integers (optional)

Problem 27E: Let x and y be in Z, not both zero, then x2+y2Z+.

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Let x, y, z E R. Prove that if x – 2y + 3z is odd, then 4xy – 6z is even.

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