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

Logarithmic and exponential functions — practice question

(main)[4]

Solve the equation $\ln 3 + \ln(2x + 5) = 2\ln(x + 2)$. State your answer in simplified exact form.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: Apply the logarithm laws for powers and addition, then remove the logarithms

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