\(\displaystyle \lim_{n\to \infty}\frac{2}{n}\left[\left(\frac{2}{n}\right)^4+\left(\frac{12}{n}\right)^4+\left(\frac{22}{n}\right)^4+\ldots+\left(\frac{10n-8}{n}\right)^4\right]\)
想請教這題如何轉換
謝謝

感謝老師指導