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Check {(AB)}^T = B^T A^T if A =\begin{bmatrix} 6 & 9 & 4\\ 10 & 2 & 3 \end{bmatrix}, B = \begin{bmatrix} 5 & 4\\ 13 & 6\\ 2 & 6 \end{bmatrix}
 
AB matrix= iiii
{(AB)}^T matrix  = iiii
B^T matrix  = iiiiii
A^T matrix  = iiiiii
B^T A^T matrix = iiii