设 [tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]是三阶实对称矩阵,且满足[tex=8.857x1.357]LXtcz8hY+gk4rolY95FMakoPU6LabB+mkJ/Jg0ZX/nc=[/tex]则二次型 [tex=5.071x1.5]KpZPhGD3OkExOkKRfj1dIlflwSVp+KDco3hnPWs/ve0=[/tex] 的规范形为
未知类型:{'options': ['[tex=4.357x1.5]n7llpFRGrz65GgqdHQsAQaUuLahpLoBbdFNLO3WkfUc=[/tex]', '[tex=4.357x1.5]K5qe6sVvINOYMHFLsiYZ8LCKpz7A/VqPIDl+4DdxLV8=[/tex]', '[tex=4.357x1.5]n7llpFRGrz65GgqdHQsAQTFdUhGvrJdWBFd0od9P2Wo=[/tex]', '[tex=5.071x1.5]oUes5HZpdNqw/0CiiOd0HPNAoaw11/6yKHY0ZqGu3caRQtCnE71DzrfplD/HRrYQ[/tex]'], 'type': 102}
未知类型:{'options': ['[tex=4.357x1.5]n7llpFRGrz65GgqdHQsAQaUuLahpLoBbdFNLO3WkfUc=[/tex]', '[tex=4.357x1.5]K5qe6sVvINOYMHFLsiYZ8LCKpz7A/VqPIDl+4DdxLV8=[/tex]', '[tex=4.357x1.5]n7llpFRGrz65GgqdHQsAQTFdUhGvrJdWBFd0od9P2Wo=[/tex]', '[tex=5.071x1.5]oUes5HZpdNqw/0CiiOd0HPNAoaw11/6yKHY0ZqGu3caRQtCnE71DzrfplD/HRrYQ[/tex]'], 'type': 102}
举一反三
- 如果实对称矩阵 [tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex] 与矩阵[tex=7.786x3.5]UwKAx/AIX9lGAocRZ6Xn8zO00lJi2f9RK3BkpKQ/gyxx7j32eb24p3FXvU/uG/wF2HCwa3BU+4YQ2Y0jRU4zkuI3Z0sv4hyzbe/RLRcEobA97DijWRYbGZyq2y6Ofn36[/tex]合同,则二次型 [tex=2.357x1.214]spLCz7RzhAETjEn9//GZbA==[/tex]的规范形为 未知类型:{'options': ['[tex=4.357x1.5]n7llpFRGrz65GgqdHQsAQaUuLahpLoBbdFNLO3WkfUc=[/tex]', '[tex=4.357x1.5]n7llpFRGrz65GgqdHQsAQTFdUhGvrJdWBFd0od9P2Wo=[/tex]', '[tex=4.357x1.5]K5qe6sVvINOYMHFLsiYZ8LCKpz7A/VqPIDl+4DdxLV8=[/tex]', '[tex=2.643x1.5]n7llpFRGrz65GgqdHQsAQWbni/clYBhhP7BD0gPebsM=[/tex]'], 'type': 102}
- 设[tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]为 3 阶矩阵,且[tex=2.643x1.357]UmLV2A1CdZWQv7CRGUJlsA==[/tex],则[tex=2.643x1.357]KoGZ1RDPPY3DFvVdN0xWqg==[/tex]( )。 未知类型:{'options': ['4', '8', '16', '32'], 'type': 102}
- 设[tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]是 3 阶矩阵,且[tex=2.643x1.357]h0pLE8vvleI3SS/lZLfCsw==[/tex],则[tex=4.143x1.357]TzVoItsLVWI00YVI4rvLQQ==[/tex]( ). 未知类型:{'options': ['2', '-2', '8', '-8'], 'type': 102}
- 设[tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex]阶矩阵[tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]满足[tex=2.714x1.214]rPRBSosCEth94R4jBBpQCQ==[/tex],则[tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]的特征值为( )。 未知类型:{'options': ['0', '1', '[tex=1.286x1.143]AcbURnSUksMF5caOSz5CtQ==[/tex]', '0或1'], 'type': 102}
- 原子序数为29的元素,其原子核外电子的排布应是 未知类型:{'options': ['[tex=4.714x1.5]X/BggzUm1REIHrH4FND9C0/Ymw5mdnQ6jUIN1TNZ7sw=[/tex]', '[tex=4.714x1.5]X/BggzUm1REIHrH4FND9C7aqL/9563JqFMS9s2XfvrA=[/tex]', '[tex=4.357x1.5]D/ShzLGPu3X93d/3uubfzxqUIyS3oySkCBKRaWibULY=[/tex]', '[tex=4.357x1.5]CH76oWyhFPWId3p+4hT5PHCd4EBpOOd/aCdxxg0bSa8=[/tex]'], 'type': 102}