All the rings of order p2 is ____________
A. associative
B. cyclic
C. inverse
D. commutative
Answer:D
All the rings of order p2 is ____________
A. associative B. cyclic C. inverse D. commutative
Explanation: Let R be a ring with unit 1. Suppose that the order of R is |R|=p2 for some prime number p. Then it has been proven that R is a commutative ring.