题目
题目
单项选择题

\(U = \left[ {\begin{array}{*{20}{c}}1&1&0\\2&3&4\end{array}} \right]\,\,\;\quad V = \left[ {\begin{array}{*{20}{c}}3\\1\end{array}} \right]\,\,\;\quad W = \left[ {\begin{array}{*{20}{c}}{0.6}&{0.5}\\{0.4}&{0.5}\end{array}} \right]\;\,\,\;X = \left[ {\begin{array}{*{20}{c}}3&5\\4&6\end{array}} \right]\quad \,\, \\ Y = \left[ {\begin{array}{*{20}{c}}1&3&2\\0&5&6\\0&0&1\end{array}} \right]\;\quad \) det (W) =

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标准答案
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思路分析
To determine det(W) for the given 2x2 matrix W, we use the standard formula for a 2×2 determinant. If W = [[a, b], [c, d]], then det(W) = ad − bc. Here, a = 0.6, b = 0.......Login to view full explanation

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