Mathematics 9709 · AS & A Level · Logarithmic and exponential functions

Logarithmic and exponential functions — practice question

(main)[3]

Find the solution of the equation $\ln(1 - e^{-2x}) + 3 = 0$. Give your final answer to 4 decimal places.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “State that $e^{-3}$ equals $1-e^{-2x}$” …

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