Database-Management-System
October 5, 2023
Data-Structures
October 5, 2023
Database-Management-System
October 5, 2023
Data-Structures
October 5, 2023

Engineering-Mathematics

Question 1498
Let ({a,b},*) be a semigroup, where a*a=b.
(A) a*b=b*a
(B) b*b=b
Choose the most appropriate answer from the options given below:
A
Only true
B
Only true
C
Both (A) and (B) true
D
Neither (A) nor (B) true
Correct Answer: C
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