# 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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