Question
Let ‘*’ be defined on the set N. Which of the following are both commutative and associative?
Options :
a*b=a-b
a*b=a+b
a*b=ab
a*b=ab²
Answer :
a*b=a+b
Access expert-curated educational resources and study materials—completely free.
Create, conduct, and manage professional online assessments with Crey. Perfect for teachers and institutes.
Copyright © 2026 Crey. All Rights Reserved.
