ln x + ln(2-x)=0 for x
回答 (1)
2007-04-11 7:09 pm
✔ 最佳答案
ln x + ln(2-x)=0ln [x(2-x)]=0
x(2-x)=1
2x-x^2=1
x^2-2x+1=0
(x-1)^2=0
x=1 (duplicate root)
Hopes can help u
參考: myself
收錄日期: 2021-04-12 22:58:14
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