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[" Q.I.Let "be the binary operation on N...

[" Q.I.Let "be the binary operation on N given by a " "b=L" .C.M."],[" and b.Find the value of "20^(@)" .16."],[" Soln.I Given,a " "b=LCM" of and "b],[qquad 20*16=LCM" ,of "20" and "16=80" ."]

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