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10 cards from this deck
A special value calculated from a square matrix
det(A)\text{det}(A)det(A) or ∣A∣|A|∣A∣
ad−bcad - bcad−bc
a(ei−fh)−b(di−fg)+c(dh−eg)a(ei-fh) - b(di-fg) + c(dh-eg)a(ei−fh)−b(di−fg)+c(dh−eg)
Matrix with determinant equal to 0
Does not have an inverse
If and only if its determinant is non-zero
Always 1
Changes the sign of the determinant
Multiplies the determinant by that scalar
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