The simplest form of the number of all possible matrices of order 2 × 2 with each entry 1, 2 or 3 : (1)
A. 81
B. 27
C. 64
D. 8
Answer:A
The simplest form of the number of all possible matrices of order 2 × 2 with each entry 1, 2 or 3 : (1)
A. 81 B. 27 C. 64 D. 8