THAOMUYY
THAOMUYY
Đăng ký: 04-01-2023Offline Đăng nhập: 04-01-2023 - 02:15
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DOTOANNANG
$$\left ( \det A \right )^{3}= \det\left ( A^{3} \right )= 27= 3^{3}\Rightarrow\det A= 3$$
06-01-2023 - 15:08
$$\left ( \det A \right )^{3}= \det\left ( A^{3} \right )= 27= 3^{3}\Rightarrow\det A= 3$$