In Problems 18, first apply the formulas in (9) to find A -1 . Then use A
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In Problems 1–8, first apply the formulas in (9) to find A-1. Then use A-1 (as in Example 5) to solve the system Ax = b.
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7 = [3 A = 9 ² ]₁ b = [2] 3 5 7
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Related Book For
Differential Equations And Linear Algebra
ISBN: 9780134497181
4th Edition
Authors: C. Edwards, David Penney, David Calvis
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