MathematicsMedium244×since 2002Q4429Let A=[1201]A=\left[\begin{array}{ll}1 & 2 \\ 0 & 1\end{array}\right]A=[1021] and B=I+adj(A)+(adjA)2+…+(adjA)10B=I+\operatorname{adj}(A)+(\operatorname{adj} A)^2+\ldots+(\operatorname{adj} A)^{10}B=I+adj(A)+(adjA)2+…+(adjA)10. Then, the sum of all the elements of the matrix BBB is:A−-−110B22C−-−124D−-−88Check answerSkip