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If $$A = \begin{bmatrix}2 & 2 & 1\\1& 0 & 2\\2 & 1 & 2\end{bmatrix}$$ is the inverse of $$B = \begin{bmatrix} -2 & a & 4\\ 2 & 2 & -3\\ 1 & 2 & -2\end{bmatrix}$$ then a =
4
3
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-3
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