List of top Mathematics Questions on Adjoint and Inverse of a Matrix asked in CBSE Class XII

If \(B(\text{adj } B) = \begin{bmatrix \frac{1}{3} & 0 & 0 \\ 0 & \frac{1}{3} & 0 \\ 0 & 0 & \frac{1}{3} \end{bmatrix}\), then the value of \(\det (B^{-1}) =\)}