Determinant of 3×3 (Sarrus / cofactor expansion) (Expand along any row or column with signs checkerboard.)
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What each symbol means
| Symbol | What it stands for |
|---|---|
| C_ij | (-1)^{i+j} M_ij |
| M_ij | Minor |
When to use this
Laplace expansion; Sarrus only for 3×3 mnemonic.