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Questions  >>  CBSE XII  >>  Math  >>  Relations and Functions
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Let be the binary operation on N defined by ab=H.C.F. of a and b. Is commutative? Is associative? Does there exist identity for this binary operation on N?

Not Commutative, Not Associative, Identity ExistsNot Commutative, Not Associative, Identity Does not ExistCommutative, Associative, Identity ExistsCommutative, Associative, Identity Does not Exist

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