CUET · MATHS · PYQ PAPER 2023
The number of all possible matrices of order \(2 \times 2\) with each entry ' \(a\) ', ' \(b\) ' or ' \(c\) ' is :
- A 81
- B 256
- C 12
- D 3
Answer & Solution
Correct Answer
(A) 81
Step-by-step Solution
Detailed explanation
Number of entries in a \(2 \times 2\) matrix = 4 Number of choices for each entry = 3 Total number of possible matrices = \(3^4\) = 81
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