CUET Preparation Today
The number of all possible matrices of order 2 × 2 with each entry 0, 1 or 2 are. |
64 81 8 9 |
81 |
The correct answer is Option (2) → 81 ** Each entry of a $2\times 2$ matrix can be $0$, $1$, or $2$ → 3 choices. Total entries = 4. Total number of possible matrices: $3^{4}=81$ The total number of such matrices is 81. |
