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Solve the equation $2\ln(5 - e^{-2x}) = 1$, and give your answer correct to 3 significant figures.
Mathematics 9709 · AS & A Level · Logarithmic and exponential functions
Solve the equation $2\ln(5 - e^{-2x}) = 1$, and give your answer correct to 3 significant figures.
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Eliminate the logarithms to reach $5-e^{-2x}=e^{\frac{1}{2}}$, or an equivalent form” …