Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.8: Determinants
Problem 2E
Related questions
Question
![(a) If A=[ay] is a 3x3 matrix; such that ay = i ( 4-j²), find the values of
diagonal elements and the value of 2a13 + a21.
(b)
1
-2 0
-6 1
If D=
"
C: third coulum of D and I: unit matrix
Find (i) K if C² D¹ C = 10K
(ii) a and b if adj (D) = a D² + b I](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1978ef42-1cf3-4927-b083-e000dd1b1eb7%2Ff8795698-b8a8-4637-a942-b5e5232def16%2Fdubmjl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(a) If A=[ay] is a 3x3 matrix; such that ay = i ( 4-j²), find the values of
diagonal elements and the value of 2a13 + a21.
(b)
1
-2 0
-6 1
If D=
"
C: third coulum of D and I: unit matrix
Find (i) K if C² D¹ C = 10K
(ii) a and b if adj (D) = a D² + b I
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