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Question
If A = `[(5, 2, 2),(-sqrt(17), 0.7, 5/2),(8, 3, 1)]` then verify (AT)T = A
Sum
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Solution
A = `[(5, 2, 2),(-sqrt(17), 0.7, 5/2),(8, 3, 1)]`
AT = `[(5, -sqrt(17), 8),(2, 0.7, 3),(2, 5/2, 1)]`
(AT)T = `[(5, 2, 2),(- sqrt(17), 0.7, 5/2),(8, 3, 1)]`
(AT)T = A
Hence it is verified
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