How did they get the numbers in front of the matrices such as (-1), (-2), (6) and so forth?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.1: Rectangular Coordinate Systems
Problem 36E
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How did they get the numbers in front of the matrices such as (-1), (-2), (6) and so forth?

Given two
basis
are
週.圓)
C =
2
3
first
we find
Potc.
[]
tHow,
= (-1)
+ (-2)
2,
+ 6
= (-1)
+(-1)
+ 5
and
2.
= (-1)
+(-3)
2
There fore,
-1
-2
-3
(As)
Transcribed Image Text:Given two basis are 週.圓) C = 2 3 first we find Potc. [] tHow, = (-1) + (-2) 2, + 6 = (-1) +(-1) + 5 and 2. = (-1) +(-3) 2 There fore, -1 -2 -3 (As)
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