Question

Write the order of product Matrix 123 into 234

Answer 1

Step-by-step explanation:

1*3 it is the order of matrix

Answer 2

Given : matrix

$\begin {bmatrix} 1\\2\\3 \end{bmatrix}\begin {bmatrix} 234 \end{bmatrix}$

To find : the order of the product matrix

Step-by-step explanation:

$\begin {bmatrix} 1\\2\\3 \end{bmatrix}\begin {bmatrix} 234 \end{bmatrix}\\\\\text{the order of matrix }\begin {bmatrix} 1\\2\\3 \end{bmatrix} is \\\\3\times 1\\\\whereas \\\\\text{the order of matrix }\begin {bmatrix} 234 \end{bmatrix}is \\\\1\times 3 \\\\here \\\\A_m_n = B_p_q$

this is equal if and only if n = p

Thus the order of the of the resulting matrix is m×q

= 3×3

hence , the order of the product matrix is  3×3

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