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प्रश्न
If A = `[(0, 0, -1),(0, -1, 0),(-1, 0, 0)]`, then the only correct statement about the matrix A is ______
विकल्प
A2 = I
A is a zero matrix
A−1 does not exit
A = (−1) I, where I is a unit matrix
उत्तर
A2 = I
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