ALGEBRA 2, 2012
15

 PAGE: 205 SET: Exercises PROBLEM: 15

The product of the matrices is .

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 equals the number of rows in the matrix .

So, matrix product is possible.

Its dimensions are .

The matrix product is defined and matrix dimensions are .

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