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3. Which of the following operations is BOTH associative and commutative on C. a*b = 2- positive integers (Z+)? min(a,b) D. a*b = a-b A. a*b = 2b + a B. a*b = max(a,b) 3

3. Which of the following operations is BOTH associative and commutative on C. a*b = 2- positive integers (Z+)? min(a,b) D. a*b = a-b A. a*b = 2b + a B. a*b = max(a,b) 3

Advanced Engineering Mathematics
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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3. Which of the following operations is BOTH associative and commutative on positive integers C. a*b = 2- (Z+)? min(a,b) D. a*b = a-b A. a*b = 2b + a B. a*b = max(a,b) 3
Transcribed Image Text:3. Which of the following operations is BOTH associative and commutative on positive integers C. a*b = 2- (Z+)? min(a,b) D. a*b = a-b A. a*b = 2b + a B. a*b = max(a,b) 3
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