Mathematics Matrices 1 Mark
Appeared in: 2024 (6 sets)
If inverse of matrix $\begin{bmatrix} 7 & -3 & -3 \\ -1 & 1 & 0 \\ -1 & 0 & 1 \end{bmatrix}$ is the matrix $\begin{bmatrix} 1 & 3 & 3 \\ 1 & \lambda & 3 \\ 1 & 3 & 4 \end{bmatrix}$, then value of $\lambda$ is: (A) -4 (B) 1 (C) 3 (D) 4