# What is the dimension of the matrix #[(6,-1,5),(-2,3,-4)]#?

##### 1 Answer

Mar 3, 2017

This is a rectangular matrix of dimension

#### Explanation:

You can "read" the dimension by counting the number of rows and of columns expressing your dimension as:

This dimension can be particularly useful when you multiply matrices because it will give you a definite condition to be able to operate the multiplication.