Find the inverse of each of the matrices given below.
Question:

Find the inverse of each of the matrices given below.

$\left[\begin{array}{ccc}2 & -1 & 4 \\ -3 & 0 & 1 \\ -1 & 1 & 2\end{array}\right]$

Solution:

Ans. $\frac{1}{19} \cdot\left[\begin{array}{ccc}1 & -6 & 1 \\ -5 & -8 & 14 \\ 3 & 1 & 3\end{array}\right]$

 

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