Answer:

Explanation:
Matrices
A matrix is a collection of values arranged in rows and columns. Any specific element of a matrix B can be referred to as
, where i is the number of the row and j is the number of the column the object is placed in.
Some examples of values given in the matrix of the question are

We are required to calculate:
B_{2,4}-B_{3,2}=9-6=3

Select the second option