Question 609621
ln(x+1)-lnx = 3
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ln((x+1)/x) = 3
{{{(x+1)/x = e^3}}}
{{{x+1 = x*e^3}}}
{{{x - x*e^3 = -1}}}
{{{x*(1 - e^3) = -1}}}
{{{x = 1/(e^3 - 1)}}}