The order of [x,y,z],,left[ {begin{array}{*{2 | vedclass

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(B) Let the given matrices be $A = [x\,y\,z]$,$B = \begin{bmatrix} a & h & g \ h & b & f \ g & f & c \end{bmatrix}$,and $C = \begin{bmatrix} x \ y

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$1 	imes 1$

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(B) Let the given matrices be $A = [x\,y\,z]$,$B = \begin{bmatrix} a & h & g \ h & b & f \ g & f & c \end{bmatrix}$,and $C = \begin{bmatrix} x \ y \ z \end{bmatrix}$.The order of matrix $A$ is $1 	imes 3$.The order of matrix $B$ is $3 	imes 3$.The order of matrix $C$ is $3 	imes 1$.When multiplying matrices,if the order of matrix $A$ is $m 	imes n$ and matrix $B$ is $n 	imes p$,the resulting matrix $AB$ has the order $m 	imes p$.First,calculate the product $AB$: $(1 	imes 3) 	imes (3 	imes 3) = (1 	imes 3)$.Next,multiply the result by $C$: $(1 	imes 3) 	imes (3 	imes 1) = (1 	imes 1)$.Therefore,the order of the final product is $1 	imes 1$.

The order of $[x\,y\,z]\,\,\left[ {\begin{array}{*{20}{c}}a&h&g\\h&b&f\\g&f&c\end{array}} \right]\,\left[ \begin{array}{l}x\\y\\z\end{array} \right]$ is

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