9. Let A = d. e f If det (A) = -7, compute the determinant of %3D dg B = d %3D O 1/7 O -42

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
Let A =
d.
e f
ghi
If det (A) = -7, compute the determinant of
a dg
B =
deh
cfi
O 1/7
O-7
O-42
Transcribed Image Text:Let A = d. e f ghi If det (A) = -7, compute the determinant of a dg B = deh cfi O 1/7 O-7 O-42
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