• 2022-05-30
    二次型[tex=14.286x1.286]3qyNsIxlToABTS6BdrwqxosA2veBLlokFbKV/hF0vQWCaBR+v9Cr6y/3Shp+dHsb[/tex]可经过正交变换[tex=8.214x3.929]rwMhqGKFQ+j3l2qMx/grPkZ5gU6RsEFbhiKGlzmDyRhSftRhfdoYZtJ5K4ui1VPt/u5TA5ajs1X4VCjBV+9NgZq1TCLE3tIZPEavEz6CJ9MhM1n9A6niPfSKXi4w+gwQ331SrMrpgolBoqhlgi1SJyvQIDS6kIyP7O6YwzesXa8=[/tex]化为标准形[tex=3.143x1.286]o6SPqUrybKP5bHTBshKvklEHXEfyO67WXVUWbiLUdCg=[/tex],求[tex=0.571x1.286]mRKL/orzOudCEARA8qn3Kw==[/tex],[tex=0.5x1.286]PGyKeLDo0qv9T0n29ldi6w==[/tex]的值和正交矩阵[tex=0.786x1.286]dSWbQCTjdbLxKy7q0ps2gg==[/tex]。