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方程X^2-2x+4=0的复数解
人气:190 ℃ 时间:2020-02-20 15:32:33
解答
X^2-2x+4=0
(x²-2x+1)+3=0
(x-1)²+3=0
(x-1+√3i)(x-1-√3i)=0
x1=1-√3i x2=1+√3i
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