A binary operation on a set of integers is defined as x y = x^2 + y^2. Which one of the following statements is TRUE about ?
A. Commutative but not associative
B. Both commutative and associative
C. Associative but not commutative
D. Neither commutative nor associative
Answer:C
A binary operation on a set of integers is defined as x y = x^2 + y^2. Which one of the following statements is TRUE about ?
A. Commutative but not associative B. Both commutative and associative C. Associative but not commutative D. Neither commutative nor associative