解方程x^5-10x^3+20x-18=0
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解方程x^5-10x^3+20x-18=0
解方程x^5-10x^3+20x-18=0
解方程x^5-10x^3+20x-18=0
A=2^(1/5),B=16^(1/5),W={√(5)-1+√[10+2√(5)]i}/4
x1=A+B,
x2=WA+W^4B,
X3=W^2A+W^3B,
X4=W^3A+W^2B,
X5=W^4A+WB
X1=2.88979948158928
X2=-2.33789689094164+0.348205612560854i
X3=-2.33789689094164-0.348205612560854i
X4=0.892997150147002+0.563408516196937i
X5=0.892997150147002-0.563408516196937i
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