ALGEBRA 2, 2012
36

 PAGE: 206 SET: Exercises PROBLEM: 36

The matrices are and .

Find the product .

(Substitute and )

Multiplication of two matrices possible if the number of columns in the first matrix equals the number of rows in the second matrix.

The dimensions of the matrix are  and the number of columns in the matrix is .

The dimensions of the matrix are and the number of the rows in the matrix is .

The number of columns in the matrix is not equals the number of rows in the matrix .

Thus, matrix product is impossible.

The matrix product is undefined and matrix is impossible.

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