The order of \begin{bmatrix} x&y&z \end{bmatrix} \begin{bmatrix} a&h&g\\ h&b&f\\g&f&c\end{bmatrix} \begin{bmatrix} x \\ y\\z\end{bmatrix}

  • Option 1)

    3\times 1

  • Option 2)

    1\times 1

  • Option 3)

    7\times 3

  • Option 4)

    3\times 3

 

Answers (1)

As learnt in concept

Multiplication of matrices -

-

 

 Order is

A_{1X3}B_{3X3}C_{3x1}

AB_{1X3} C_{3X1}

=ABC_{1X1}


Option 1)

3\times 1

This is incorrect option

Option 2)

1\times 1

This is correct option

Option 3)

7\times 3

This is incorrect option

Option 4)

3\times 3

This is incorrect option

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