a
To Find: Determinant of diagonal matrix
a
Answer to Problem 81E
Determinant of A
Explanation of Solution
Given information: determinant
Concept Used: If A is a square matrix, the determinant of A is the sum of the entries in any row of A multiplied by their respective cofactors
Calculation:
Determinant of A =
b
To Find: Determinant of diagonal matrix
b
Answer to Problem 81E
Determinant of B =
Explanation of Solution
Given information: determinant
Concept Used: If A is a square matrix, the determinant of A is the sum of the entries in any row of A multiplied by their respective cofactors
Calculation:
Determinant of B =
c
To Find: Determinant of diagonal matrix
c
Answer to Problem 81E
Determinant of C
Explanation of Solution
Given information: determinant
Concept Used: If A is a square matrix, the determinant of A is the sum of the entries in any row of A multiplied by their respective cofactors
Calculation:
Determinant of C =
Chapter 7 Solutions
Precalculus with Limits: A Graphing Approach
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