Find the solution of the following:
1. ln x + ln 2=100
2.ln(x-1)- ln(x-2)=ln 2
logarithmic (ln)
2010-07-18 8:02 pm
回答 (1)
2010-07-18 8:11 pm
✔ 最佳答案
1)lnx+ln2=100
ln(2x)=100
2x=e^100
x=(1/2)e^100
2)
ln(x-1)-ln(x-2)=ln2
ln[(x-1)/(x-2)]=ln2
(x-1)/(x-2)=2
x-1=2x-4
x=3
收錄日期: 2021-04-22 00:49:39
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