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Consider the matrices A=[(4,6,-1),(3,0,...

Consider the matrices `A=[(4,6,-1),(3,0,2),(1,-2,5)], B=[(2,4),(0,1),(-1,2)], C=[(3),(1),(2)]` Which of the following are defined?
(a)`(A B)^t C` (b) `C^T C(A B)^T` (c)`C^T A B` (d) `A^T A B B^T C`

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