If , ![A=\left[\begin{array}{ccc}2&-3&5\\3&2&-4\\1&1&-2\end{array}\right]](https://tex.z-dn.net/?f=A%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D2%26amp%3B-3%26amp%3B5%5C%5C3%26amp%3B2%26amp%3B-4%5C%5C1%26amp%3B1%26amp%3B-2%5Cend%7Barray%7D%5Cright%5D "A=\left[\begin{array}{ccc}2&-3&5\\3&2&-4\\1&1&-2\end{array}\right]")
find A⁻¹. Using A⁻¹ solve the system of equations
2x – 3y + 5z = 11
3x + 2y – 4z = – 5
x + y – 2z = – 3
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What have you written in the first two lines ??
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