
Concept explainers
For Exercises 1–10, let
Determine whether each expression is defined. If it is, evaluate it.

To calculate: The value of
Answer to Problem 1RE
Solution:
The value of
Explanation of Solution
Given Information:
The provided matrices are
Formula used:
A matrix with m rows and n columns is of dimension
For two matrices A and B with equal dimension,
Calculation:
Consider the matrices
Recall that a matrix with m rows and n columns is of dimension
Since, number of rows in
Substitute
Thus, dimension of
Since, number of rows in
Substitute
Thus, dimension of
Since, both the matrices don’t have same dimension.
Thus, the sum
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Chapter 5 Solutions
Finite Mathematics and Applied Calculus (MindTap Course List)
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