A binary operation * is defined on the set of positive integers is such x*y = 2x-3y+2 for all positive integers x and y. The binary operation is?
a
commutative and close 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 cummutative but closed on the set of positive integers
Explanation
Correct Option
bVideo Explanation
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