Mathematics, 30.06.2019 19:00, Acemirisa
Hard math question! what is the inverse matrix of ![\left[\begin{array}{cc}a& b\\c& d\end{array}\right]](/tex.php?f= \left[\begin{array}{cc}a& b\\c& d\end{array}\right] )
? show work!
Answers: 1
![\left[\begin{array}{ccc}a&b\\c&d\end{array}\right]^{-1} = \frac{1}{ad - bc}\left[\begin{array}{ccc}d&{-b}\\{-c}&a\end{array}\right] = \\ \\ \\ \left[\begin{array}{ccc}d(\frac{1}{ad-bc})&{-b}(\frac{1}{ad-bc}) \\ {-c}(\frac{1}{ad-bc}) &a(\frac{1}{ad-bc}) \end{array}\right]](/tpl/images/0035/8645/a4784.png)
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Hard math question! what is the inverse matrix of [tex] \left[\begin{array}{cc}a& b\\c& d\e...
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