- 9
-
计算行列式
的值.
- 16
-
矩阵
=
- 18
-
行列式
=__
- A.<img src="//img1.yqda.net/question-name/9e/7254e8efd3bf009fdc27289c7b2a15.png" width="88" height="25"/>
- B.<img src="//img1.yqda.net/question-name/58/4b4ea36869b1fe01fec095bcb983b8.png" width="88" height="25"/>
- C.<img src="//img1.yqda.net/question-name/31/d5a5c720bcefe0ba577c4d52346bd9.png" width="64" height="25"/>
- D.<img src="//img1.yqda.net/question-name/34/7e242f5af0b3e34ada96e4b23203f8.png" width="57" height="25"/>
- A.<img src="//img1.yqda.net/question-name/ec/f759788e292dfafe1341fecc5a6513.png" width="182" height="25"/>
- B.<img src="//img1.yqda.net/question-name/88/03bfbb7983218f937cdd536ea59ad4.png" width="181" height="28"/>
- C.<img src="//img1.yqda.net/question-name/54/7bf7b9ca8853615866918ef024a215.png" width="184" height="27"/>
- D.<img src="//img1.yqda.net/question-name/43/06127544e8b6a0dbf12571ffd645bb.png" width="185" height="27"/>
- A.a1,a2线性无关
- B.a4可由a1,a2线性表出
- C.a1,a2,a3,a4线性相关
- D.a1,a2,a3,a4线性无关
- A.<img src="//img1.yqda.net/question-name/62/463a73cdcb6d5a39f6320d0eae1893.png" width="77" height="46"/>
- B.<img src="//img1.yqda.net/question-name/46/e948c3ce0c6a22424ca5671f4178ee.png" width="65" height="46"/>
- C.<img src="//img1.yqda.net/question-name/07/51d5e7be4a579b588031a173a0046c.png" width="65" height="48"/>
- D.<img src="//img1.yqda.net/question-name/62/b6ff70dc04ca94ef516b5e13924ff4.png" width="79" height="44"/>
- A.-40
- B.-10
- C.10
- D.40