Binary operation 'subtraction' on integers is
Neither commutative nor associative
Commutative and associative
Commutative, but not associative
Associative, but not commutative
Consider a binary operation ∗ on N defind as a∗b=a3+b3. Choose the correct answer. (a)∗ both associative and commutative (b)∗ commutative but not associative (c)∗ is associative but not commutative (d)∗ is neither commutative nor associative