Class 12 Matrices · Mcq Single Correct1 Markscounting_matrices
Class 12 Maths · Matrices · Mcq Single Correct #4
How many 3×3 matrices have every entry either 2 or 0?
✅ Step-by-Step Solution
Final Answer: Option (D): 512
- Each of nine entries independently has two choices, giving 2⁹=512.
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