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

Logarithmic and exponential functions — practice question

(main)[3]

Solve the equation $5^x = 5^{x+2} - 10$. State 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 laws of indices accurately to find $5^x$” …

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