Question

a binary operation b=LCM{ a, b}on N. what is the inverse of these binary operation.
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Answer 1

Step-by-step explanation:

The binary operation * on N is defined as a * b = L.C.M. of a and b. This case is possible only when a and b are equal to 1. Thus, 1 is the only invertible element of N with respect to the operation *

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