如何解一元三次方程?f(x)=x^3-4X+x-4 ,f(x)=x^3+11x^2+39x+29 ,f(x)=x^3+10x^2+33x+34.最好能附上详细的解法,因为这是国外微积分课程的作业,so please give me a hand ,thanks.是要求当f(x)=0时x的值,
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![如何解一元三次方程?f(x)=x^3-4X+x-4 ,f(x)=x^3+11x^2+39x+29 ,f(x)=x^3+10x^2+33x+34.最好能附上详细的解法,因为这是国外微积分课程的作业,so please give me a hand ,thanks.是要求当f(x)=0时x的值,](/uploads/image/z/579971-11-1.jpg?t=%E5%A6%82%E4%BD%95%E8%A7%A3%E4%B8%80%E5%85%83%E4%B8%89%E6%AC%A1%E6%96%B9%E7%A8%8B%3Ff%28x%29%3Dx%5E3-4X%2Bx-4+%2Cf%28x%29%3Dx%5E3%2B11x%5E2%2B39x%2B29+%2Cf%28x%29%3Dx%5E3%2B10x%5E2%2B33x%2B34.%E6%9C%80%E5%A5%BD%E8%83%BD%E9%99%84%E4%B8%8A%E8%AF%A6%E7%BB%86%E7%9A%84%E8%A7%A3%E6%B3%95%2C%E5%9B%A0%E4%B8%BA%E8%BF%99%E6%98%AF%E5%9B%BD%E5%A4%96%E5%BE%AE%E7%A7%AF%E5%88%86%E8%AF%BE%E7%A8%8B%E7%9A%84%E4%BD%9C%E4%B8%9A%2Cso+please+give+me+a+hand+%2Cthanks.%E6%98%AF%E8%A6%81%E6%B1%82%E5%BD%93f%28x%29%3D0%E6%97%B6x%E7%9A%84%E5%80%BC%EF%BC%8C)
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