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Which of the following is NOT always an integer when a and b are integers?

Class 7Properties of IntegersIntegers

Aa / b
Ba + b
Ca - b
D $a x b$

Step-by-Step Solution

Integers are closed under addition, subtraction and multiplication, but division of two integers may not be an integer (e.g.

\frac{1}{2}

).

Answer: A) a / b

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