Part I: Mark each statement True or False. If true, write “T" into the bracket; Otherwise, write “F" simply. (2 points for each question; Full Score: 10 points) 1. (A+B)²=A²+B² is always true for any two nxn matrices A and B. 2. Let H={v|v= (1,x,x,,x, ),x, e R,i = 2,3,*,n}. Then the set H is a %3= ... subspace of R". 3. If vị and v2 are eigenvectors of A corresponding to eigenvalues 1 and 2, respectively, then vị+v2 is also an eigenvector of A. 4. A row scaling on a square matrix does not change the value of its determinant. 5. If AP=PD with D diagonal, then the nonzero columns of P must be eigenvectors of A.

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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Part I: Mark each statement True or False. If true, write "T" into the bracket;
Otherwise, write “F" simply. (2 points for each question; Full Score: 10 points)
1. (A+B)²=A²+B² is always true for any two nxn matrices A and B.
2. Let H={v|v=(1,x,,x,…• ,x, ),x, e R,i = 2,3, … ',n}. Then the set H is a
...
subspace of R".
3. If vị and v2 are eigenvectors of A corresponding to eigenvalues 1 and 2,
respectively, then vj+v2 is also an eigenvector of A.
4. A row scaling on a square matrix does not change the value of its
determinant.
5. If AP=PD with D diagonal, then the nonzero columns of P must be
eigenvectors of A.
Part II: Fill the blanks. (3 points for each question; Full Score: 36 points)
1
Transcribed Image Text:Part I: Mark each statement True or False. If true, write "T" into the bracket; Otherwise, write “F" simply. (2 points for each question; Full Score: 10 points) 1. (A+B)²=A²+B² is always true for any two nxn matrices A and B. 2. Let H={v|v=(1,x,,x,…• ,x, ),x, e R,i = 2,3, … ',n}. Then the set H is a ... subspace of R". 3. If vị and v2 are eigenvectors of A corresponding to eigenvalues 1 and 2, respectively, then vj+v2 is also an eigenvector of A. 4. A row scaling on a square matrix does not change the value of its determinant. 5. If AP=PD with D diagonal, then the nonzero columns of P must be eigenvectors of A. Part II: Fill the blanks. (3 points for each question; Full Score: 36 points) 1
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