(a)
The determinant of the matrix of row2.
(a)
Answer to Problem 43E
The determinant is 225.
Explanation of Solution
Given information:
The matrix is given as
Formula used:
Matrix multiplication is used.
Calculation:
Finding the determinant of the matrix
Expand row 2
Then
Here,
Now find this determinant by expanding its third row
Hence,
Hence the determinant is 225.
Conclusion:
The determinant is 225.
(b)
The determinant of the matrix of column 4.
(b)
Answer to Problem 43E
The determinant is 225.
Explanation of Solution
Given information:
The matrix is given as
Expanding along column 4
Formula used:
Matrix multiplication is used.
Calculation:
Expanding along column 4
Then
Here,
Here,
Now
Hence the determinant is 225.
Conclusion:
The determinant is 225.
Chapter 8 Solutions
EBK PRECALCULUS W/LIMITS
- 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