# Aljabar Contoh

Langkah 1
Tentukan bentuk eselon baris yang dikurangi.
Langkah 1.1
Multiply each element of by to make the entry at a .
Langkah 1.1.1
Multiply each element of by to make the entry at a .
Langkah 1.1.2
Sederhanakan .
Langkah 1.2
Perform the row operation to make the entry at a .
Langkah 1.2.1
Perform the row operation to make the entry at a .
Langkah 1.2.2
Sederhanakan .
Langkah 1.3
Multiply each element of by to make the entry at a .
Langkah 1.3.1
Multiply each element of by to make the entry at a .
Langkah 1.3.2
Sederhanakan .
Langkah 1.4
Perform the row operation to make the entry at a .
Langkah 1.4.1
Perform the row operation to make the entry at a .
Langkah 1.4.2
Sederhanakan .
Langkah 2
The pivot positions are the locations with the leading in each row. The pivot columns are the columns that have a pivot position.
Pivot Positions: and
Pivot Columns: and
Langkah 3
The rank is the number of pivot columns.
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