Let A and B be two square matrices of the same order. Which of the fo…

\(\left(A^{\prime}\right)^{\prime}=A\)

\(\left(kA\right)^{\prime}=kA^{\prime}\)

\(\left(AB\right)^{\prime}=A^{\prime}B^{\prime}\)

\(\left(A+B\right)^{\prime}=A^{\prime}+B^{\prime}\)