CUET Mathematics - If bmatrix 1 & 0 & 0 \\ 0 & y+1 & 0 \\ 0 & 0 & 1 bmatrix bmatrix 2x & \\ -2 & \\ z-3 & bmatrix = bmatrix 6 \\ 4 \\ 1 bmatrix then x + y + z is | PYQs + Solutions | AfterBoards