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Use logarithms to find the solution of $14e^{-2x} = 5^{x+1}$, giving your answer correct to $3$ significant figures.
Mathematics 9709 · AS & A Level · Logarithmic and exponential functions
Use logarithms to find the solution of $14e^{-2x} = 5^{x+1}$, giving 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: “Logarithms are applied correctly to both sides and the power law is used at least once” …