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If A=[-1 2 3] and B=[-2\ \ -1\ \ -4] , v...

If `A=[-1 2 3]` and `B=[-2\ \ -1\ \ -4]` , verify that `(A B)^T=B^T\ A^T`

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`AB=[[2, 1, 4], [-4, -2, -8], [-6, -3, -12]]`
`AB^T=[[2, -4, -6], [1, -2, -3], [4, -8, -12]]`
`B^TA^T=[[-2], [-1], [-4]][[-1, 2, 3]]`
`=[[2, -4, -6], [1, -2, -3], [4, -8, -12]]`
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