Assignment #4

Assignment #4 - Stephanie Campbell Assignment 4 MATH133,...

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Unformatted text preview: Stephanie Campbell Assignment 4 MATH133, Fall 2009 due 10/13/2010 at 11:59pm EDT. You may attempt any problem an unlimited number of times. 1. (1 pt) Find the determinant of the matrix B = 1 4-2-4-1-5-3 . det ( B ) = . 2. (1 pt) Find the determinant of the matrix A = 4-5 4-5 6-3 6 8-7-3 . det ( A ) = . 3. (1 pt) Find the determinant of the matrix M = -3-2-3-2 2-1 2-2 . det ( M ) = . 4. (1 pt) Find the determinant of the matrix C = -3-2 3-1-2 2 1-1-3 3 1 . det ( C ) = . 5. (2 pts) Let A = 2-3 1 3-3 2 3 . Find the following: (a) det ( A ) = , (b) the matrix of cofactors C = , (c) adj ( A ) = , (d) A- 1 = . 6. (1 pt) If the determinant of a 5 × 5 matrix A is det ( A ) = 10, and the matrix B is obtained from A by multiplying the third row by 7, then det ( B ) = ....
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This note was uploaded on 12/01/2010 for the course ENG 133 taught by Professor Lov during the Fall '10 term at McGill.

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Assignment #4 - Stephanie Campbell Assignment 4 MATH133,...

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