If A, B are 3 x 3 matrices such that det(AB)-1)= and 20 det(adj(A)) = 25. Then det (3AT. (B)-1) a. None 25 O b. 108 5. O c. 108 135

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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If A, Bare 3 x 3 matrices such that det(AB)-1)= » and
det(adj(A)) = 25. Then det(3A". (B)-1)
20
%3D
O a. None
25
Ob.
108
5.
O c.
108
135
O d. E
Transcribed Image Text:If A, Bare 3 x 3 matrices such that det(AB)-1)= » and det(adj(A)) = 25. Then det(3A". (B)-1) 20 %3D O a. None 25 Ob. 108 5. O c. 108 135 O d. E
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