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Let ∗ be the binary operation on N defined by a∗b=HCF of a and b. Is ∗ commutative? Is ∗ associative? Does there exist identity for this binary operation on N? |
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Answer» Let ∗ be the binary operation on N defined by a∗b=HCF of a and b. Is ∗ commutative? Is ∗ associative? Does there exist identity for this binary operation on N? |
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