设 [tex=3.571x1.357]n9szCAW9NR93NzdWHX2+SBSXYvRAO7ROAT5M25kgbpM=[/tex] 是 [tex=1.143x1.0]cLn0Gr6CnaTTCPqvS7e1NQ==[/tex] 阶反对称矩阵，且 [tex=2.143x1.214]WduuySCfbbSEY25SqqAOSA==[/tex] 时，[tex=3.214x1.286]Gtc8graOTSm85BNH1G9/aQ==[/tex] 求 [tex=2.357x1.0]NovbxKl63Ey/milqTcbe/6gEPwoNWDtR2TNscVjbEeY=[/tex].
举一反三
- 设[tex=12.5x5.214]No14tepOrgpLFcwU7iwUQez/wjXGt+M4WQUb/+dQXBjj6lSyAuf4gZYVqoO0QJa37XvdOcNTdQsDE3T+3zHKAyF20DxI6YPobcBhswASjMXXqa2sC6MoBqeo90jUgfYAOilSTxxw2v/qReVsAMLrY+1Zj8IHJDB+E/fv5SsVqSU=[/tex] 求 [tex=2.357x1.0]NovbxKl63Ey/milqTcbe/6gEPwoNWDtR2TNscVjbEeY=[/tex] 。[br][/br]
- 设随机变量X与Y，且D(X)=25 . D(Y)=36 .[tex=6.929x1.357]YRHgHmN/yZW92ECOHesamh6DUEs33HnR+2dxr68Tcr4=[/tex]求[tex=4.286x1.357]wxsI0NJpCsUWd6vdcOiJiw==[/tex]
- 设 3 阶方阵 [tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex] 的特征值为 [tex=3.214x1.214]AR2NZJX7MZs0NlT/FTXA5A==[/tex]，[tex=5.143x1.357]w/FJJFlwDcaju97v34LrN7GPRQ7jt3za1NBQzRFsFmE=[/tex]，求 [tex=2.357x1.0]NovbxKl63Ey/milqTcbe/0+weZrZwV0IV2WDP9e/d4g=[/tex] 及 [tex=4.857x1.357]NovbxKl63Ey/milqTcbe/0yYXMkXxzvjjVJ6MtqOGN0=[/tex] .
- 已知3阶矩阵A与3维列向量 x 满足[tex=6.857x1.357]zd0nq0IiNsY0hFTyLJHQy4eC+A8zUY14VqChcVve0aM=[/tex],且向量组[tex=0.714x0.786]Qp78QkdFrqytlOsANWrP9w==[/tex],[tex=3.5x1.429]c2YtesCJSYo0KOSy0rMECg==[/tex] (1)记[tex=10.643x1.357]3tyZrBE07WCx0ZFK2Y3aVjbjYUrJ/5Q0lIjkUE1dgc8=[/tex],求三阶矩阵B,使AP= PB;(2)求[tex=1.357x1.357]0awZUhfhOcjHk6LSkdT6Gw==[/tex]
- 设 [tex=9.786x1.286]DQ1ZsnXfTUHqv3aeNI8TmtYnGbUL/0+sIYsjPWXY8gvgx6R0cuYt0RtG7mXTbZvLu6NAcQR1sSciIWMyvqLruQ==[/tex]. 令 [tex=2.0x1.214]L13v13gszAHTYXVyhXnbMg==[/tex] 分别为[tex=19.429x7.643]apkvZnpOyWUQAwLC3506svu/wi6+Vf6yufHs2t0U/LSrh/UR0yRmjSDCWbIkiRP5KNj0dZklPPpanqGHBxZxFUke2yxSRM0Le7aQ3x9IDgx2oqCjLeQmJ9I9Lm9FZQ1WrcN8ZLFliV7YbEntpFqEeNpUcj5kCwUcku7rrZhd6wBL1Aql4yV6U060EGb17OYbw4qmpXPgwT1S+bq2Xxvj+gLg79Xtu9OzAY2CGBuSFEPGuNht6ymFtD2ttg3bfXZG/8v7eXiI/MgwKhieqFXTVaxYoXk+3j4luucBI8n4MULK8T67TezHoDNdox2qVCzjtZTPjtIgl2EZZEy9x/2N7w==[/tex]，[tex=23.786x7.714]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[/tex].1) 计算 [tex=1.571x1.0]KtUvskt9CnZGjwvAZvfMbg==[/tex].2) 求 [tex=2.357x1.0]NovbxKl63Ey/milqTcbe/0+weZrZwV0IV2WDP9e/d4g=[/tex].3) [tex=9.143x1.214]W+JKlZTCQuMKHwApS0vbt6P88J6iGPqmse/zfvqGaOiRTh3wV751xrP0M0uf4DMSNyBUI4gfEk1UxitcE2tRlw==[/tex] 时，[tex=3.143x1.0]NovbxKl63Ey/milqTcbe/8jdjiYrbSNvYzAkW4iNzpM=[/tex]？