1.

Let ∗ be a binary operation on the set Q of rational number as follows: (i)a∗b=a2+b2 Find which of the binary operation are commutative and which are associative?

Answer»

Let be a binary operation on the set Q of rational number as follows:
(i)ab=a2+b2
Find which of the binary operation are commutative and which are associative?



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