If matrix A = (1, 2, 3), write AA' , where A' is the transpose of… - Vidyadip

Question

If matrix A = (1, 2, 3), write AA' , where A' is the transpose of matrix A.

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Answer

Given A = (1, 2, 3),

$A' = \begin{bmatrix} 1& \\ 2 &\\ 3 & \end{bmatrix} $

$AA' = ( 1\times 1 + 2\times 2 + 3\times 3) = (14)$

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