• 试题 ID 18346


求逆矩阵 $$\left(\begin{array}{llll}
a_1 & & & 0 \\
& a_2 & & \\
& & \ddots & \\
0 & & & a_n
\end{array}\right)\left(a_1 a_2 \cdots a_n \neq 0\right) $$
A
B
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D
E
F
答案:

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解析:

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