Let be the binary operation on N given by a b-L. C. M. of a and b. Fin – InterviewSolution

1.

Let be the binary operation on N given by a b-L. C. M. of a and b. Find 12 20.

Answer»

Given:a*b= LCM of a and bNow12 = 2 × 2 × 320 = 2 × 2 × 5

LCM = 2 × 2 × 3 × 5

LCM =60

This a*b=60

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