The operation "*" is defined on R by 11ab for all a,be R. Which of the 19 following is true about the operation? a*b = A. The operation does not obey the law of the inverse. B. The operation obeys the law of inverse and the inverse of is 1 a a C. The operation obeys the law of inverse and the inverse of a is a 11 19a D. The operation obeys the law of the inverse and the inverse of 361 a ER is a -1. 121a

The operation "" is defined on R by 11ab for all a,be R. Which of the 19 following is true about the operation? ab = A. The operation does not obey the law of the inverse. B. The operation obeys the law of inverse and the inverse of is 1 a a C. The operation obeys the law of inverse and the inverse of a is a 11 19a D. The operation obeys the law of the inverse and the inverse of 361 a ER is a -1. 121a

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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