Question

The number of all possible matrices of order 1×2 with entry 1 or 2 or 3 is

Answer 1

Answer:

Write the number of all possible matrices of order 2xx2 with each entry 1,2,or3. A 2×2 order matrix will contain 4 elements. We have to create these matrices using 3 numbers that are 1,2 or 3. So, total number of all possible matrices are 34=81

Answer 2

Question:

The number of all possible matrices of order 1×2 with entry 1 or 2 or 3 is

Answer:

A 2×2 order matrix will contain 4 elements. We have to create these matrix using 3 numbers that are 1,2 or 3.So the total no. of all possible matrices are 34=81