Question

data a matriz A, definida por A3x3 =
determine (-At)​

Answer 1

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$\sf A=\begin{bmatrix}\sf{2}&\sf{\dfrac{1}{3}}&\sf{-3}\\\sf{-\dfrac{1}{2}}&\sf{4}&\sf{-5}\\\sf{-2}&\sf{0}&\sf{6}\end{bmatrix}\\\sf A^T=\begin{bmatrix}\sf{2}&\sf{-\dfrac{1}{2}}&\sf{-2}\\\sf{\dfrac{1}{3}}&\sf{4}&\sf{0}\\\sf{-3}&\sf{-5}&\sf{6}\end{bmatrix}\\\sf -A^t=\begin{bmatrix}\sf{-2}&\sf{\dfrac{1}{2}}&\sf{2}\\\sf{-\dfrac{1}{3}}&\sf{-4}&\sf{0}\\\sf{3}&\sf{5}&\sf{-6}\end{bmatrix}$