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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 −3 kali baris pertama ke baris ketiga, diperoleh

2

1 1 2 9

3

4 0 2 −7 −17 5

0 3 −11 −27

Kalikan baris kedua dengan 1 2 , diperoleh

2

3

1 1 2 9

4 0 1 − 7 2

− 17 5

2

0 3 −11 −27

Resmawan (Math UNG) Sistem Persamaan Linear Agustus 2017 25 / 69

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