a) The matrix B is a 3 x 3 matrix and det(B) = 3. Give the reduced row echelon form of B. b) Compute the determinant of a a+2 a+4| b+2 6+4 c+2 c+41 c) Solve DX = 0 with 000 0 20 0 0 D= 15 0 0 07 -3 10 2 4 0 d) Let A and B be 2 x 2 invertible matrices. Given that det(AB-¹) = 2 and det(2AT AB) = 16, find det(A) and det(B). 06 C 4 -1 2 6 60

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
a) The matrix B is a 3 x 3 matrix and det(B) = 3. Give the reduced row echelon form of B.
b) Compute the determinant of
19
a
a+2 a +4
b
b+2
b+4
C c+2 c+4
c) Solve DX = 0 with
[4000
-1 2 0
D
D=
2 1 5
6 0 7
-3 0
10 2 4 0 1
1
d) Let A and B be 2 x 2 invertible matrices. Given that det(AB-¹) = 2 and det(2A¹ AB) = 16, find
det(A) and det(B).
01
0 0
00
Transcribed Image Text:a) The matrix B is a 3 x 3 matrix and det(B) = 3. Give the reduced row echelon form of B. b) Compute the determinant of 19 a a+2 a +4 b b+2 b+4 C c+2 c+4 c) Solve DX = 0 with [4000 -1 2 0 D D= 2 1 5 6 0 7 -3 0 10 2 4 0 1 1 d) Let A and B be 2 x 2 invertible matrices. Given that det(AB-¹) = 2 and det(2A¹ AB) = 16, find det(A) and det(B). 01 0 0 00
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