To explain:
The integers set is a field or not.
Answer to Problem 35WE
The integers set is not a field.
Explanation of Solution
Definition of property of reciprocal:
A number
The product of a number and its reciprocal number is therefore
Thus, from the above definition of the property of reciprocals for any real number
The number
We know that to satisfy the property of reciprocals an integer number is to be multiplied with its reciprocal. For all numbers except
Since for all numbers except
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Algebra and Trigonometry: Structure and Method, Book 2
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