Mathematics, 19.06.2020 08:57, deb2710
Please help! Correct answer only, please! Consider the matrix shown below: Find the inverse of the matrix A: (i. e Find A^-1).
Answers: 3
![A=\left[\begin{array}{cc}a&b\\c&d\end{array}\right]\qquad \rightarrow \qquad A^{-1}=\dfrac{1}{ad-bc}\left[\begin{array}{cc}d&-b\\-c&a\end{array}\right]](/tpl/images/0689/8339/2c3c9.png)
![A=\left[\begin{array}{cc}2&5\\3&8\end{array}\right] \qquad \rightarrow \qquad A^{-1}=\dfrac{1}{2(8)-5(3)}\left[\begin{array}{cc}8&-5\\-3&2\end{array}\right]\\\\\\\\.\qquad \qquad \qquad \qquad \qquad \qquad \quad =\dfrac{1}{1}\left[\begin{array}{cc}8&-5\\-3&2\end{array}\right]\\\\\\\\.\qquad \qquad \qquad \qquad \qquad \qquad \quad =\left[\begin{array}{cc}8&-5\\-3&2\end{array}\right]](/tpl/images/0689/8339/cf1ec.png)
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Please help! Correct answer only, please! Consider the matrix shown below: Find the inverse of the m...
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