a
To Find: Which property of determinants has been applied to the given determinants
a
Answer to Problem 77E
Column 2 and Column 3 were interchanged
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:
Consider, the determinant,
Column 2 and Column 3 were interchanged
B is obtained from A by interchanging column 2 and column 3
Determinant of A
Determinant of B
Then
b.
To Find: Which property of determinants has been applied to the given determinants
b.
Answer to Problem 77E
Row 1 and Row 3 were interchanged
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:
Consider,
Row 1 and Row 3 were interchanged
B is obtained from A by interchanging Row 1 and Row 3
Determinant of A
Determinant of B
Then
Chapter 7 Solutions
Precalculus with Limits: A Graphing Approach
- Calculus: Early TranscendentalsCalculusISBN:9781285741550Author:James StewartPublisher:Cengage LearningThomas' Calculus (14th Edition)CalculusISBN:9780134438986Author:Joel R. Hass, Christopher E. Heil, Maurice D. WeirPublisher:PEARSONCalculus: Early Transcendentals (3rd Edition)CalculusISBN:9780134763644Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric SchulzPublisher:PEARSON
- Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. FreemanCalculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning