Problem #5: We say that a matrix Mis orthogonal if M¹ = M². Consider the following Matrices. (i) (ii) 7 6 3 355 (iii) - 4√2 0 -4√2 1 Determine which of the above matrices are Orthogonal (1) or Not Orthogonal (2). So, for example, if you think that the answers, in the above order, are Orthogonal,Not Orthogonal, Not Orthogonal, then you would enter '1,2,2' into the answer box below (without the quotes).

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A: This is a problem of linear transformation, linear algebra, matrix algebra.

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