The determinant of a 2×22 \times 22×2 matrix AAA is 555. If A=(abcd)A = \begin{pmatrix} a & b \\ c & d \end{pmatrix}A=(acbd), what is det(cdab)\det \begin{pmatrix} c & d \\ a & b \end{pmatrix}det(cadb)?
555
101010
−5-5−5
000