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प्रश्न
The number of all possible matrices of order 3 × 3 with each entry 0 or 1 is
विकल्प
27
18
81
512
उत्तर
512
There are 9 elements in a 3x 3 matrix and one element can be filled in two ways, either with 0 or 1.
Thus,
Total possible matrices =
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