Matrix Calculator
2×2 Determinant & Inverse
3×3 Determinant
Formula
2×2: det = ad - bc | 3×3: Sarrus' rule or cofactor expansion
Frequently Asked Questions
What is a determinant?
The determinant is a scalar value computed from a square matrix. For 2×2 matrix [[a,b],[c,d]]: det = ad - bc. It tells if the matrix is invertible (det ≠ 0) and represents the scaling factor of the linear transformation.
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