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Emz
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#1
Report Thread starter 17 years ago
#1
Help please guys!

Need to solve this to 3.s.f:

ln(x+1) - ln x = e

Thanks in advance,

Emma xxx
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theone
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Report 17 years ago
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(Original post by Emz)
Help please guys!

Need to solve this to 3.s.f:

ln(x+1) - ln x = e

Thanks in advance,

Emma xxx
ln(x+1) - ln(x) = ln(x+1)/x.

e = ln e^e, so 1 + 1/x = e^e. So x = 1/(e^e - 1).
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Emz
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Report Thread starter 17 years ago
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Aaah knew I had to change the e to something else but couldn't remember what.

Thanks loads

Emma xxx
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