设`\A^**`为`\n`阶方阵`\A`的伴随阵,`\| A | = \frac{1}{2}`,则`\| 2A^**A | = ` ()
设`\A^**`为`\n`阶方阵`\A`的伴随阵,`\| A | = \frac{1}{2}`,则`\| 2A^**A | = ` ()
发布时间:2025-09-04 08:16:00
设`\A^**`为`\n`阶方阵`\A`的伴随阵,`\| A | = \frac{1}{2}`,则`\| 2A^**A | = ` ()