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Solution
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Solution provided by AtoZmath.com
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Orthogonal Matrix checker calculator
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 1. `[[0,1],[1,0]]`
2. `[[4,-3,1],[0,11,-5],[6,9,141,0],[0,-1]]`
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Example1. is Orthogonal Matrix ?
`[[0,1],[1,0]]`Solution:A square matrix `A`, such that `A xx A^T = I`, is called an orthogonal matrix, where `I` is an identity matrix and `A^T` is the transpose of matrix `A`. | = | | `0×0+1×1` | `0×1+1×0` | | | `1×0+0×1` | `1×1+0×0` | |
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`A xx A^T = I`, So `A` is an orthogonal matrix
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