• 2022-06-16
    利用正交变换将二次型[tex=14.071x1.357]laEzR1IUAbB3F6co2ymLhc4Tm5xpwYK3+nsgsnQcCAuRNv33Q+giGZa9xTuW9HFsJJoScVbCZXdlFiQqE95tBmb6EAJxGZbDSLt7XkXryok=[/tex]化为标准形,并写出相应的正交变换和标准形.
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