Given matrices $A$ and $B$ below, determine if they are inverses of each other.\\ $A = \begin{bmatrix} -1 & -1 \ -1 & 0 \end{bmatrix}$ $B = \begin{bmatrix} 2 & -1 \ -1 & 1 \end{bmatrix}$
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A = [[-1, -1], [-1, 0]], B = [[2, -1], [-1, 1]]. To be inverses we must have A·B = I2 and B·A = I2, where I2 = [[1, 0], [0, 1]]. Show more…
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