For a 3×33 \times 33×3 matrix AAA with det(A)=−2\det(A) = -2det(A)=−2, what is det(cof(A))\det(\text{cof}(A))det(cof(A)), where cof(A)\text{cof}(A)cof(A) is the cofactor matrix?
−2-2−2
444
−8-8−8
12\frac{1}{2}21