Inverse of Matrix is Scalar Product of Adjugate by Reciprocal of Determinant/Examples
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Examples of Use of Inverse of Matrix is Scalar Product of Adjugate by Reciprocal of Determinant
Order $2$ Matrix
- $\begin {pmatrix} a & b \\ c & d \end {pmatrix}^{-1} = \dfrac 1 {a d - b c} \begin {pmatrix} d & -b \\ -c & a \end {pmatrix}$