ALGEBRA 2, 2012
54

 PAGE: 207 SET: Exercises PROBLEM: 54

The product of the matrix 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 first matrix is and the number of columns in the matrix is .

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

The number of columns in the first matrix equals the number of rows in the second matrix.

So, matrix product is possible.

Its dimensions are .

The matrix product  is defined and product matrix dimensions are .

Option C is right choice.

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