用非退化线性替换化下列二次型为标准形,并用矩阵验算所得结果:[tex=6.857x3.643]jcCMHflCR8OS9TosV6N5vE/+aZVXvAPILXqZaAIglS5Lq8Ny6+fGvViuj4MAv15EslYqd9WI6nYD54S/SLejf/09iYvsvva70xXT1OVnUWJVYUSpjCUiWXWCS8zd8bAPjh0Jz6XOk/xcizw8n0gTTw==[/tex]
用非退化线性替换化下列二次型为标准形,并用矩阵验算所得结果:[tex=6.857x3.643]jcCMHflCR8OS9TosV6N5vE/+aZVXvAPILXqZaAIglS5Lq8Ny6+fGvViuj4MAv15EslYqd9WI6nYD54S/SLejf/09iYvsvva70xXT1OVnUWJVYUSpjCUiWXWCS8zd8bAPjh0Jz6XOk/xcizw8n0gTTw==[/tex]
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