Question

the number of matrix are usually represented by​

Answer 1

Step-by-step explanation:

matrix are usually represented by determinants

Answer 2

Answer:

A matrix is usually denoted by a capital letter printed in a boldface font (e.g., A, B, X). The elements of the matrix are represented by lower case letters with a double subscript

Step-by-step explanation:

There are several ways to represent a matrix symbolically. The simplest is to use a boldface letter, such as A, B, or C. Thus, A might represent a 2 x 4 matrix, as illustrated below. This notation indicates that A is a matrix with 2 rows and 4 columns.