1. Example `[[2,1,3],[4,2,1],[1,3,2]]` (Previous example) | 3. Example `[[1,0,4,2],[1,2,6,2],[2,0,8,8],[2,1,9,4]]` (Next example) |
2. Example `[[3,2,4],[2,0,2],[4,2,3]]`
Find Determinant by gaussian elimination ... `[[3,2,4],[2,0,2],[4,2,3]]`Solution:Row echelon form Given matrix | | `3` | `2` | `4` | | | `2` | `0` | `2` | | | `4` | `2` | `3` | |
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`R_2 larr R_2-2/3xx R_1` = | | `3` | `2` | `4` | | | `0` | `-4/3` | `-2/3` | | | `4` | `2` | `3` | |
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`R_3 larr R_3-4/3xx R_1` = | | `3` | `2` | `4` | | | `0` | `-4/3` | `-2/3` | | | `0` | `-2/3` | `-7/3` | |
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`R_3 larr R_3-1/2xx R_2` = | | `3` | `2` | `4` | | | `0` | `-4/3` | `-2/3` | | | `0` | `0` | `-2` | |
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`=3*(-4/3)*(-2)` `=8`
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1. Example `[[2,1,3],[4,2,1],[1,3,2]]` (Previous example) | 3. Example `[[1,0,4,2],[1,2,6,2],[2,0,8,8],[2,1,9,4]]` (Next example) |
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