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3 results for “determinant”

Formulae (3)

\det\begin{pmatrix} a & b \\ c & d \end{pmatrix} = ad - bc

Determinant of a 2×2 matrix.

\det = a(ei-fh) - b(di-fg) + c(dh-eg)

Determinant of a 3×3 matrix by cofactor expansion.

\det(AB) = \det(A)\det(B)

The determinant of a product is the product of determinants.