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

Logarithmic and exponential functions — practice question

(main)[3]

Solve the equation $\frac{3^x + 2}{3^x - 2} = 8$, and give your answer correct to 3 decimal places.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: Use the correct method for solving an equation of the form $3^x=a$, where $a>0$

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