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Use logarithms to solve $5^x = 2^{2x+1}$, and give your answer 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 law for the logarithm of a product, quotient or power” …
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