f(x)=1/|x-1|(x不等于1时)f(x)=1/|x-1|(x不等于1时),=1(x=1时),f(x)^2+bf(x)+c=0有三个不同的实数解x1,x2,x3,则x1^2+x2^2+x3^2=A5 B2+2/b^2 C13 D3+1/c^2 图画出来之后,答案的意思3个根为f(x)=1是取得,选了A,可是能不能
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/10 11:20:17
![f(x)=1/|x-1|(x不等于1时)f(x)=1/|x-1|(x不等于1时),=1(x=1时),f(x)^2+bf(x)+c=0有三个不同的实数解x1,x2,x3,则x1^2+x2^2+x3^2=A5 B2+2/b^2 C13 D3+1/c^2 图画出来之后,答案的意思3个根为f(x)=1是取得,选了A,可是能不能](/uploads/image/z/2558965-13-5.jpg?t=f%28x%29%3D1%2F%7Cx-1%7C%28x%E4%B8%8D%E7%AD%89%E4%BA%8E1%E6%97%B6%EF%BC%89f%28x%29%3D1%2F%7Cx-1%7C%28x%E4%B8%8D%E7%AD%89%E4%BA%8E1%E6%97%B6%29%2C%3D1%28x%3D1%E6%97%B6%29%2Cf%28x%29%5E2%2Bbf%28x%29%2Bc%3D0%E6%9C%89%E4%B8%89%E4%B8%AA%E4%B8%8D%E5%90%8C%E7%9A%84%E5%AE%9E%E6%95%B0%E8%A7%A3x1%2Cx2%2Cx3%2C%E5%88%99x1%5E2%2Bx2%5E2%2Bx3%5E2%3DA5+B2%2B2%2Fb%5E2+C13+D3%2B1%2Fc%5E2+%E5%9B%BE%E7%94%BB%E5%87%BA%E6%9D%A5%E4%B9%8B%E5%90%8E%2C%E7%AD%94%E6%A1%88%E7%9A%84%E6%84%8F%E6%80%9D3%E4%B8%AA%E6%A0%B9%E4%B8%BAf%28x%29%3D1%E6%98%AF%E5%8F%96%E5%BE%97%2C%E9%80%89%E4%BA%86A%2C%E5%8F%AF%E6%98%AF%E8%83%BD%E4%B8%8D%E8%83%BD)
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