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प्रश्न
In the matrix A = `[("a", 1, x),(2, sqrt(3), x^2 - y),(0, 5, (-2)/5)]`, write: The number of elements
उत्तर
We have, A = `[("a", 1, x),(2, sqrt(3), x^2 - y),(0, 5, (-2)/5)]` the number of elements are 3 × 3 = 9
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