Which of the following sets is not closed for the operation °, which is defined by the rule a°b = a + b+3ab, arbitrary integers a,b from this set?(a) The set of all odd integers(b) The set of all even integers(c) The set of all positive integers.(d) The set of all negative integers.(e) None of the above..

Which of the following sets is not closed for the operation °, which is defined by the rule a°b = a + b+3ab, arbitrary integers a,b from this set?(a) The set of all odd integers(b) The set of all even integers(c) The set of all positive integers.(d) The set of all negative integers.(e) None of the above..

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter1: Fundamental Concepts Of Algebra

Section1.1: Real Numbers

Problem 40E

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Question

Which of the following sets is not closed for the operation °, which is defined by the rule a°b = a + b+3ab, arbitrary integers a,b from this set?
(a) The set of all odd integers
(b) The set of all even integers
(c) The set of all positive integers.
(d) The set of all negative integers.
(e) None of the above..

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