a.
To find: the inverse of the given matrix.
a.
Answer to Problem 9CLT
Explanation of Solution
Given:
Calculation:
Augment the given matrix with 3x3 identity matrix.
Now, the row echelon forms the matrix can be given as
Now, reduce this matrix to reduced row echelon form as shown below.
Therefore, the inverse of the given matrix is
b.
To find: the determinant of the given matrix.
b.
Answer to Problem 9CLT
Explanation of Solution
Given:
Calculation:
Conclusion:
The determinant of the given matrix is 1.
Chapter 9 Solutions
Precalculus with Limits: A Graphing Approach
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