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Solve the equation $\frac{2^x + 1}{2^x - 1} = 5$, and give your answer correct to $3$ significant figures.
Mathematics 9709 · AS & A Level · Logarithmic and exponential functions
Solve the equation $\frac{2^x + 1}{2^x - 1} = 5$, 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: “Rearrange to find $2^x$ and arrive at $2^x=\frac{6}{4}$ or an equivalent expression” …