Linear Algebra
Determinant of 2×2 matrices
Determinant of 3×3 matrices
Minors and cofactors
Cofactor expansion
Recursive definition for n×n matrices
Row interchange
Row scaling
Row addition
Statement and application
Limitations and computational considerations
Area in R²
Volume in R³
Orientation and signed measures
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2. Matrix Theory and Operations
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4. Vector Spaces and Subspaces