If A = 1=1 ²₁₂ 21₁B =[ ²¹/₂ 3 b) B.A c) A-2B a) 3A-C 3] -2 = [3²5] 4J and C= Find:

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CR: Review Exercises
Problem 39CR: In the figure, A-B-C. If AB=x, BC=x+7, and AC=4x-3 find x.
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If A =
= 1²3 21
a) 3A-C
9
- [1₂3]
B =
b) B.A c) A-2B
and C=
[39] Find:
Transcribed Image Text:If A = = 1²3 21 a) 3A-C 9 - [1₂3] B = b) B.A c) A-2B and C= [39] Find:
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