Solve the equation
\(\ln(x+2) = 2 + \ln x\),
giving your answer correct to 3 decimal places.
Solution
Start with the equation \(\ln(x+2) = 2 + \ln x\).
Use the properties of logarithms to combine the logarithms: \(\ln(x+2) - \ln x = 2\).
This simplifies to \(\ln\left(\frac{x+2}{x}\right) = 2\).
Exponentiate both sides to remove the logarithm: \(\frac{x+2}{x} = e^2\).
Multiply both sides by \(x\) to get \(x+2 = e^2 x\).
Rearrange to solve for \(x\): \(x - e^2 x = -2\).
Factor out \(x\): \(x(1 - e^2) = -2\).
Solve for \(x\): \(x = \frac{-2}{1 - e^2}\).
Calculate \(x\) to three decimal places: \(x \approx 0.313\).
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