* Question Completion Status: QUESTION 1 Find the cofactor C21 of the given matrix A. 3. -1 -7 A = -5 -4 -1 -1 3 The cofactor C21 4,

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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* Question Completion Status:
QUESTION 1
Find the cofactor C21 of the given matrix A.
3
-1
-7
A =
-5
4
-4
-1
-1
The cofactor C21 =
QUESTION 2
Use the properties of determinants, to determine which of the following equalities is true.
O All of these
5
-1
6
1
=0
3
3.
-1
-3
8
8
O-4
-2
3
3
-1
O -5
1
-2
4
-6
1
-6
1
3
2
4
-5
1
-2
-3
8.
6
-3
8
QUESTION 3
Click Save and Submit to save and submit. Click Save All Answers to save all answers.
33°C yub
N O
NO O
Transcribed Image Text:Webapps/assessment/take/launch.jsp?course_assessmer HitPaw Online Scre. .I -ulic o Julto O RCYCI - Student Inf. 6 Online C Compiler Show Timer * Question Completion Status: QUESTION 1 Find the cofactor C21 of the given matrix A. 3 -1 -7 A = -5 4 -4 -1 -1 The cofactor C21 = QUESTION 2 Use the properties of determinants, to determine which of the following equalities is true. O All of these 5 -1 6 1 =0 3 3. -1 -3 8 8 O-4 -2 3 3 -1 O -5 1 -2 4 -6 1 -6 1 3 2 4 -5 1 -2 -3 8. 6 -3 8 QUESTION 3 Click Save and Submit to save and submit. Click Save All Answers to save all answers. 33°C yub N O NO O
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