Part III. Calculations 16. (Full Score: 12 points) Given X=(k,0, ...,0, k)'eR" with the real scalar k<0. For the matrix A= I, – XX" - (a) Show that AT=A; 2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.6: The Algebra Of Matrices
Problem 13E
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Part III. Calculations
16. (Full Score: 12 points) Given X=(k,0, ...,0, k)'eR" with the real scalar
k<0. For the matrix A = 1, –
– XX" ,
(a) Show that AT=A;
(b) Find the value of k such that A' = I, +÷ XX"
k
n
Transcribed Image Text:Part III. Calculations 16. (Full Score: 12 points) Given X=(k,0, ...,0, k)'eR" with the real scalar k<0. For the matrix A = 1, – – XX" , (a) Show that AT=A; (b) Find the value of k such that A' = I, +÷ XX" k n
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