abdillahi3990 abdillahi3990 27-03-2024 Mathematics contestada If A and B are 3x3 matrices, det (A) = -3, det(B) = -9, then det (AB) = det (2A) = det (A^T) = det (B^-1) = det (B^2) = Note: ^ means whatever is next to ^ symbol is above the letter that comes before it.