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Which of the following sets is not closed for the operation °, which is defined by the rule a°b = a + b 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 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
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.4: Mathematical Induction
Problem 46E
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Which of the following sets is not closed for the operation °, which is defined by the rule a°b = a + b 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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