Is a*b different from b*a

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Please find below the solution to the asked query:

a*b and b*a are usually different.If a*b=b*a, then  * is called commutative binary operation.e.g.a*b=a+b is commutative becuasea*b =a+b and b*a=b+a which are equal and  givesa*b=b*aOn the other handa*b=a-b is not commutative becausea*b=a-b and b*a=b-a which are not equal.

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No i think
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