• 2021-04-14
    若 都是四维列向量,且4阶行列式
    ,则4阶行列式 等于( )https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/38927745c36f48d59e7809d04985e40c.png
  • n-m.

    内容

    • 0

      在下列的HTML中,哪个可以产生超链接? A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/a9bcf63958144ed794c2429877db052a.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/5f5d626c8bba4c9486c2455dc0f20be5.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3a165307757a4da5b4e34381b1fe8cf5.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/334e855f187b4c2684d73890e18d5988.png" />

    • 1

      通过点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/a13927df1bf542dfa036a32b10364f69.png" />的拉格朗日插值基函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/65695a42c7a14b649b6aa4fb68f7e499.png" />满足( ) A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/99af333f3e934ef6a75022ee1e728b53.png" />=1,<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/7769611ac5cd4c93975be7c41a49ae71.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/99af333f3e934ef6a75022ee1e728b53.png" />=1,<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/7769611ac5cd4c93975be7c41a49ae71.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/99af333f3e934ef6a75022ee1e728b53.png" />=0,<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/7769611ac5cd4c93975be7c41a49ae71.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/99af333f3e934ef6a75022ee1e728b53.png" />=0,<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/f80e8e400f3f4916bcaf6b5fde757f16.png" />

    • 2

      <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/48fc4686323b4fc2aed9a5ded068e010.png" />则MnS在盐酸中溶解的平衡常数为( )。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/92fc7a394f754ea59f5812ddedfa9ca1.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/4f1e00c110584145843649c7c0f0fa55.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/ca9777100e5d4abeaa282239afdb5ee0.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/aacd92054a5745feb6f3c98233158b95.png" />

    • 3

      设系统的初始条件为零,其微分方程为:<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/9c4c212cc1594dd19dcfc992512ba0e1.png" />,则_____。() A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3f8dd968db6e49f5a261281ea5f038bc.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/a73ceb98e53043eb9817c3014694d0b3.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/cfbf541fa5504f819df5429a3c181a0d.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/404ca95df5b34ade860d159893fbb0e2.png" />

    • 4

      下列结论错误的是() A: 如果函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处连续,则<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处可导 B: 如果函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处不连续,则<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处不可导 C: 如果函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处可导,则<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处连续 D: 如果函数<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处不可导,则<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/18a10ebd75f54d9ba2de6c77fb99c56d.png">在点<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202009/3e7d8d0d9aba463faf8ba22335557789.png">处也可能连续