This is it

Calculus Level 2

Let \(f:(1,\infty) \rightarrow (0,\infty)\) be a continuous decreasing function with \[ \large \lim_{x\to\infty} \dfrac{f(4x)}{f(8x)} = \, 1 \]

Then

\[ \large \lim_{x\to\infty} \dfrac{f(6x)}{f(8x)} = \, ?\]

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