Key for Practice Quiz 1
Secrions 1.1.1.2
MaTh 2373
J él'ven following system,
2x1-3x226
xlx2+x3 =4
3x1x3 =5
Find reduced raw echelon form of the augmented matrix And Then use Gauss-Jordan
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Sec 1.1 & 1.2
Reduc
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1 Given Fol/owing system of equation:
x1-3x2+4x3 =1
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J Defermine fhe franspose of fhe fol/omng mafr
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1 - Given Fol/01mg system of equattbn:
_ u
xl-3xz+4
I
a”
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1 —Determine the transpose of the fol/wiry
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2
Z-Use saussian J
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Sec 1.1 & 1.2
Reduced Echelon form
Solve system of equations by Gauss —Jordan m
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1 I 1
1—5ivenA=3 -21
2 -12
a) find minor M23 a
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Sec 2.3
l - Find
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Sec 1.1 & 1.2 Reduced Echel
Practice Quiz 1 Sections 1.1,1.2 Math 2373 _ 1 _ Given following system,
2x1 - 3x 2 = 6 x1 - x 2 + x 3 = 4 3x x = 5 3 1
Find reduced row echelon form of the augmented matrix. And then use Gauss-Jordan elimination to find solution
2- Solve following system
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1 1 1
1 6iven A = 3 -2 1
2 -1 2
a) find minor M