What are the dimensions of the matrix?

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The matrix is a × matrix.

The dimensions of a matrix are the number of rows × the number of columns of the matrix.For the example below, the the matrix is 3 × 4.

Explanation:

The dimensions of a matrix is the number of rows × the number of columns of the matrix.

Your matrix is garbled. Thus, to help you I will work with an hypothetical matrix.

Assume the matrix:

       

That matrix has four colums and 3 rows.

For instance, the first colum is:

                   Thus, it has 4 columns.

And the second row is:

                  Thus, it has 3 rows.

Hence,  the matrix is 3 × 4.

The first number is the number of rows and the second number is the number of columnns.

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