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Is ∗ defined on the set {1, 2, 3, 4, 5} ...

Is `∗` defined on the set `{1, 2, 3, 4, 5}` by `a * b = L.C.M. of a and b` a binary operation? Justify your answer.

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MODERN PUBLICATION-RELATIONS AND FUNCTION-EXAMPLE
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  3. Is ∗ defined on the set {1, 2, 3, 4, 5} by a * b = L.C.M. of a and b ...

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  13. Show that * : R xx R rarr R given by a * b rarr a + 2b is nto assoc...

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  14. Let '*' be a binary operation defined on Q. Find which of the followin...

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  15. Let '*' be a binary operation defined on Q. Find which of the followin...

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