The operation "*" is defined on R by a*b= 11ab 19 for all a,b € R. Which of the following is true about the operation? OA The operation obeys the law of the inverse and the inverse of a € R is a¹ = 361 121a OB. 11 The operation obeys the law of inverse and the inverse of a is a -¹ = 19a OC. The operation does not obey the law of the inverse. OD. The operation obeys the law of inverse and the inverse of is a-¹_—.

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