Concept explainers
a.
To find: the value of operation
a.
Answer to Problem 78E
the operation
Explanation of Solution
Given information :
Calculation : to find the value of operation
By the definition of multiplication of matrices the number of columns of first matrices must be same with the number of rows of second rows.
Here the, number of columns of
Thus, the operation
Thus, the operation
b.
To find: the value of operation
b.
Answer to Problem 78E
the operation
Explanation of Solution
Given information :
Calculation : to find the value of operation
By the definition of multiplication of matrices the number of columns of first matrices must be same with the number of rows of second rows.
Here the, number of columns of
Thus, the operation
Thus, the operation
Chapter 7 Solutions
Precalculus with Limits: A Graphing Approach
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