SOLUTION: solve step by step lnx plus ln(x+1)=ln2
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Question 626804
:
solve step by step
lnx plus ln(x+1)=ln2
Answer by
Alan3354(69443)
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ln(x) + ln(x+1)=ln(2)
ln(x*(x+1)) = ln(2)
x*(x+1) = 2
(x + 2)*(x - 1) = 0
x = 1
---------
x = -2 rejected since ln(-2) is not allowed