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Resmawan-Aljabar-Linear-Elementer-Sistem-Persamaan-Linear

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1.4 Sistem Persamaan Linear

1.4.4 Operasi Baris Elementer

1. Sistem Persamaan Linear 1.4 Sistem Persamaan Linear

Solution

Tambahkan −1 kali baris kedua ke baris pertama, diperoleh

2

3

11 35

1 0

2 2

4 0 1 − 7 2

− 17 5

2

0 0 1 3

Tambahkan − 11

2 kali baris ketiga ke baris pertama dan 7 2

ketiga ke baris kedua, diperoleh

2

1 0 0

3

1

4 0 1 0 2 5

0 0 1 3

kali baris

Diperoleh solusi yang sama, yaitu x = 1, y = 2, dan z = 3.

Resmawan (Math UNG) Sistem Persamaan Linear Agustus 2017 27 / 69

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