Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.5: The Binomial Theorem
Problem 50E
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Question
show your solution, answer 4 and 5
![[1 0 -2]
4. Let B=| 3 1
4 . Compute all cofactors B.
5 2 -3
2
81
5. Let A=|-3
4
1
4 -4 5
a) Find adj A.
b) Compute det(A).
c) Show that A(adj A) =
(adj A)A= det(A) In](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2437cd6d-d356-47be-9f36-bb1d16233559%2F9538c731-9c57-4e49-860f-24eede73399a%2Fznvv0xk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:[1 0 -2]
4. Let B=| 3 1
4 . Compute all cofactors B.
5 2 -3
2
81
5. Let A=|-3
4
1
4 -4 5
a) Find adj A.
b) Compute det(A).
c) Show that A(adj A) =
(adj A)A= det(A) In
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