1.
Let AA be a matrix of order 3×33 \times 3 and det⁡(A)=2\det(A) = 2. Then ∣det⁡(A) adj(5 adj(A3))∣\bigl|\det(A)\,\text{adj}\bigl(5\,\text{adj}(A^{3})\bigr)\bigr| is equal to: