QUESTION 04 Diketahui \(\begin{pmatrix} a - b & -b \\ & 1 \end{pmatrix}^{-1} = \begin{pmatrix} a & 1 \\ -a + 2b & 1 \end{pmatrix}\). \(a \:.\: b = \) 🔍 Solution \(\begin{pmatrix} a - b & -b \\ 0 & 1 \end{pmatrix}^{-1} = \begin{pmatrix} a & 1 \\ -a + 2b & 1
QUESTION 04 Diketahui \(\begin{pmatrix} a - b & -b \\ & 1 \end{pmatrix}^{-1} = \begin{pmatrix} a & 1 \\ -a + 2b & 1 \end{pmatrix}\). \(a \:.\: b = \) 🔍 Solution \(\begin{pmatrix} a - b & -b \\ 0 & 1 \end{pmatrix}^{-1} = \begin{pmatrix} a & 1 \\ -a + 2b & 1