The function is given as follows:
$$f(n) = 3 \times \left ( \frac{1}{5} \right )^{6n} - \frac{5}{n + 1} + 4$$
where $n \geq 0$.
Can anyone give me a hint?
2026-04-03 21:02:22.1775250142
How can I prove that an exponential function minus an fraction function is a quasi-convex function?
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