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+ 4x3 2x, + 2x; – 2x2 – 7x, = – 19 X1 13 4x1 X3 - |

+ 4x3 2x, + 2x; – 2x2 – 7x, = – 19 X1 13 4x1 X3 - |

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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#52 Use back-substitution to solve the system
X - 11x, + 4x = 3 %3D 3x3 = 4 + 2x3 - 2x, + 3x, – 13x3 = -8 51. 2x, + x2 - 4x1 10 + 4x3 = 2x, + 2x, – 2x, – 7xz = – 19 52. X1 13 4x1 - x3 = | - x - 3y + 2z = 18 5x - 15y + 10z = 18 Xq - 2x2 + 5x3 3x, + 2x2 – x3 = -2 x + y + z + w= 6 2x + 3y - 3x + 4y + z + 2w = 4 55. %3D
Transcribed Image Text:X - 11x, + 4x = 3 %3D 3x3 = 4 + 2x3 - 2x, + 3x, – 13x3 = -8 51. 2x, + x2 - 4x1 10 + 4x3 = 2x, + 2x, – 2x, – 7xz = – 19 52. X1 13 4x1 - x3 = | - x - 3y + 2z = 18 5x - 15y + 10z = 18 Xq - 2x2 + 5x3 3x, + 2x2 – x3 = -2 x + y + z + w= 6 2x + 3y - 3x + 4y + z + 2w = 4 55. %3D
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