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प्रश्न
`[(2, -1),(5, 1)]`
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उत्तर
It is square matrix of order 2.
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संबंधित प्रश्न
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If A and B are two matrices of orders 3 × 2 and 2 × 3 respectively; then their sum A + B is possible.
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I2 is the matrix ____________.
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