Given that find (a) (b) a det 7 d det b C 14 21 = e f -2 20 -6 -5b -5e f a d C = a b C 41 det d e f 1 2 3 =

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Question
Given that
find
(a)
a
b C
det 7 14 21 =
d
e f
-2 20
-431
(b) det a -5b C =
d
-5e
f
a b C
f
3
det d
1
e
2
= -5
Transcribed Image Text:Given that find (a) a b C det 7 14 21 = d e f -2 20 -431 (b) det a -5b C = d -5e f a b C f 3 det d 1 e 2 = -5
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