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

Logarithmic and exponential functions — practice question

(main)[5]

Solve the equation $3e^{2x} - 82e^{x} + 27 = 0$, and give your answers in the form $k\ln 3$.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: Try to solve the quadratic equation in $e^x$

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