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Find additive inverse of A={:[(1,2,-1),(...

Find additive inverse of `A={:[(1,2,-1),(-4,3,-2),(1,-1,4)]:}`.

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To find the additive inverse of the matrix \( A = \begin{pmatrix} 1 & 2 & -1 \\ -4 & 3 & -2 \\ 1 & -1 & 4 \end{pmatrix} \), we need to determine a matrix \( B \) such that: \[ A + B = 0 \] Where \( 0 \) is the zero matrix of the same dimensions as \( A \). The zero matrix for a \( 3 \times 3 \) matrix is: ...
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