如何解方程 (1+根号2)X^2-(1-根号2)X=0

2025-05-14 01:14:24
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回答1:

(1+根号2)X^2-(1-根号2)X=0x[(1+根号2)X-(1-根号2)]=0x=0,(1+根号2)X-(1-根号2)=0x=0,x=(1-根号2)/(1+根号2)=2倍根号2-3