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Chapter 4: Q47. (page 166)

State the dimensions of each matrix.

47.7−3502−9651

Short Answer

Expert verified

The dimension of the matrix is 3×3.

Step by step solution

01

 Step 1 - Define the dimension of the matrix m×n.

A matrix A with m rows and n columns is a matrix of dimensions .

02

- State an example

Let us consider a matrix A=12−3014. Clearly, matrix A has 2 rows and 3 columns, therefore, the dimension of matrix A will be 2×3.

03

- State the dimension of 7−3502−9651

In order to state the dimension of the matrix 7−3502−9651, observe that the matrix has 3 rows and 3 columns, therefore, the dimension of matrix will be 3×3.

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