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Solve $5^{x-1} = 5^x - 5$, and give $x$ correct to $3$ significant figures.
Mathematics 9709 · AS & A Level · Logarithmic and exponential functions
Logarithmic and exponential functions — practice question
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Apply the laws of indices correctly to produce an equation in $5^x$.” …
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