A binary operation *is defined on the set of positive integers is such that x*y=2x-2...

A binary operation is defined on the set of positive integers is such that xy=2x-2...

A binary operation *is defined on the set of positive integers is such that x*y=2x-2 for positive integers x and y
a. commutative and closed on the set of positive integers
b. neither commutative nor closed on the set of positive integers
c. commutative but not closed on the set of positive integers
d. not commutative but closed on the set of positive integers?

In Mathematics
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Asked by Jessica on 1st February, 2024