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3. Binary Operations
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Q18 of 123 Page 3

Mark the correct alternative in each of the following:

An operation * is defined on the set Z of non-zero integers by for all a, b ∈ Z. Then the property satisfied is


1) NOT Commutative:





2) NOT Associative:






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16

Mark the correct alternative in each of the following:

Subtraction of integers is


17

Mark the correct alternative in each of the following:

The law a + b = b + a is called


19

Mark the correct alternative in each of the following:

On Z an operation * is defined by a * b = a2 + b2 for all a, b ∈ Z. The operation * on Z is


20

Mark the correct alternative in each of the following:

A binary operation * on Z defined by a * b = 3a + b for all a, b ∈ Z, is


Questions · 123
3. Binary Operations
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