If $A$ and $B$ are invertible square matrices of order $n$, then which of the following is not correct?
- A$det(AB) = det(A) \cdot det(B)$
- B$det(kA) = k^n det(A)$
- C$det(A + B) = det(A) + det(B)$
- D$det(A') = 1 / det(A^{-1})$
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