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If set (A) has (2) elements, how many binary operations are possible on (A)?

Answer and explanation

Correct answer: (16)

Step 1: (A\times A) has (2^2=4) ordered pairs. Step 2: Each pair has (2) possible outputs, so total operations are (2^4=16). Step 3: Use (|A|^{|A|^2}) for the number of binary operations.

Related tags

Counting Binary OperationsFinite SetClass 12Binary OperationsRelations And FunctionsMathematicsClass 12 Mcq

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