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Let * be the binary operation defined on Q. Find which of the following binary operations are commutative a * b = a^2 + b^2 ∀ a, b ∈ Q

 Let * be the binary operation defined on Q. Find which of the following binary operations are commutative 
a * b = a^2 + b^2 ∀ a, b ∈ Q  

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5964 Points
one year ago
Dear Student

a*b = a^2+b^2
b*a = b^2+ a^2
Hence , * is commutative.


Thanks

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