#4: Let = 21% 하 +12 119 -19 -19 No 112-112 0 @ -12 112112 119-19 (a) Find a matrix P that orthogonally diagonalizes A. (b) Find B = Plap using the (correct) answer from (a). Enter the diagonal entries of B, in order, into the answer box below. i.e., enter b11, 622, 633 (in that order). 12 0 119 (G) -12 1124112 119 0 -1969-19 ° 16 119 하하하 (B) 112112 119 0 (A) € -199 -15% 112-12 -132 12-12 (E) 0 € H 0

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter7: Systems Of Equations And Inequalities
Section7.7: Solving Systems With Inverses
Problem 5SE: Can a matrix with zeros on the diagonal have an inverse? If so, find an example. If not, prove why...
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#4: Let
=
21%
하
+12
119
-19
-19
No
112-112
0
@
-12
112112
119-19
(a) Find a matrix P that orthogonally diagonalizes A.
(b) Find B = Plap using the (correct) answer from (a). Enter the diagonal entries of B, in order, into the
answer box below. i.e., enter b11, 622, 633 (in that order).
12
0
119
(G)
-12
1124112
119
0
-1969-19
°
16
119
하하하
(B)
112112
119
0
(A)
€
-199
-15%
112-12
-132
12-12
(E)
0
€
H
0
Transcribed Image Text:#4: Let = 21% 하 +12 119 -19 -19 No 112-112 0 @ -12 112112 119-19 (a) Find a matrix P that orthogonally diagonalizes A. (b) Find B = Plap using the (correct) answer from (a). Enter the diagonal entries of B, in order, into the answer box below. i.e., enter b11, 622, 633 (in that order). 12 0 119 (G) -12 1124112 119 0 -1969-19 ° 16 119 하하하 (B) 112112 119 0 (A) € -199 -15% 112-12 -132 12-12 (E) 0 € H 0
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