а ) 0 0b0 0 11. Using cofactor method, prove that det M = 0 0 = abcd 0. 0 0 0 d a? a3 12. Using cofactor method, prove that det N = 64 = ab?c'd* c3 0 0 0 a
а ) 0 0b0 0 11. Using cofactor method, prove that det M = 0 0 = abcd 0. 0 0 0 d a? a3 12. Using cofactor method, prove that det N = 64 = ab?c'd* c3 0 0 0 a
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 71E
Related questions
Question
![a 0 0 0
0b 0 0
0 0
0 0 0 d
11. Using cofactor method, prove that det M =
= abcd
C
a a2 a at
0 b2 b3 b4
c3 c4
= ab²c³dª
12. Using cofactor method, prove that det N =
0.
0.
0 d
0 0
b b2 0
0.
13. Using cofactor method, prove that det N =
= ab?c°d4
c c c³ 0
d d d d](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F66a0df69-01d0-423e-99f5-573144beb050%2F205e3d63-6cbf-4332-8525-4d77eac3c6d2%2F3ebnbtd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:a 0 0 0
0b 0 0
0 0
0 0 0 d
11. Using cofactor method, prove that det M =
= abcd
C
a a2 a at
0 b2 b3 b4
c3 c4
= ab²c³dª
12. Using cofactor method, prove that det N =
0.
0.
0 d
0 0
b b2 0
0.
13. Using cofactor method, prove that det N =
= ab?c°d4
c c c³ 0
d d d d
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