Determine det(D),

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter3: Matrices
Section3.1: Matrix Operations
Problem 39EQ
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2) Consider the following matrices:
[2 0 3
D = 0 2 -1
and r =
-1
Answer the following questions:
2.1) Determine det(D), using only column operations.
2.2) Given the following sequence of operations
R1+R2
Ra+2R1
2R2
find det(A).
2.3) Compute det(2A³).
2.4) Solve the matrix equation Dx = 2x.
Transcribed Image Text:2) Consider the following matrices: [2 0 3 D = 0 2 -1 and r = -1 Answer the following questions: 2.1) Determine det(D), using only column operations. 2.2) Given the following sequence of operations R1+R2 Ra+2R1 2R2 find det(A). 2.3) Compute det(2A³). 2.4) Solve the matrix equation Dx = 2x.
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