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(1+根号2)乘以x的平方-(1-根号2)乘以X=0怎么解
人气:489 ℃ 时间:2020-05-29 03:10:56
解答
(1+√2)x^2-(1-√2)x=0
x[(1+√2)x-(1-√2)]=0
x=0或x=(1-√2)/(1+√2)=-(1-√2)^2=2√2-3
x=0或x=2√2-3
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