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Unformatted text preview: + 12 = y + 12 B. y = x + 30
3(x + 12) = y + 12 2. (10 points) Given the matrices 10
A = 0 1
00 C. x = y + 30
x + 12 = 3(y + 12) 2
3 ,
1 B= 3
0 1
3 0
,
1 x = y + 30
x − 12 = 3(y − 12) −1
2
0 0
0
1 D. 1
C= 0
−2 compute the following.
(a) CB + 3A = ? A. Undeﬁned B. (b) (ABC − B )t = ? A. Undeﬁned 3
−2 B. 1
C. 0
0 −1
6 3
−2 −1
6 0
1
0 1
C. 0
0 −1
2
2 6
D. 0
−6 D. 0
−2 −2
9
−2 2
−3 5
11
3 3. (20 points) Find the general solution to the following system of equations. 2x2 −6x3 = 4 −x1 +x2
+x 3
=0
(a) 2x1 +x2 −13x3 = 2 x 1 −x 2
=2 x1 = 10
x1 = −10
x1 = 10 + x4 A. No solution...
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This document was uploaded on 03/14/2014 for the course MATH 5 at Long Island U..
 Spring '13
 Dr. Corbett Redden
 Math

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