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Problem 27 Easy Difficulty

In Exercises 25-34, use the matrix capabilities of a graphing utility to find the inverse of the matrix (if it exists).

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

Answer

$A^{-1}=\begin{array}{ccc}{-\frac{3}{2}} & {\frac{3}{2}} & {1} \\ {\frac{9}{2}} & {-\frac{7}{2}} & {-3} \\ {-1} & {1} & {1}\end{array}$

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Video Transcript

I'm going to be using the free open source computer. Ouch! Persistent Morsi s called Maxima for solving these problems. Where there s us to do it with the computer for the next problem Problem. 27. Our matrix is 11 two 310 minus 20 three. And the inverse Yes.