νεκκοιανδ

摘要： 求：\(\lim_{x \to \infty}(\frac{1+\sqrt[x]{3}}{2})^x\) 设 \(\phi(x)=\frac{1+\sqrt[x]{3}}{2}-1\) 则 \(\lim_{x \to \infty} (1+\phi(x))^{\frac{1}{\phi(x)} \c 阅读全文

摘要： 求：\(\lim_{x \to 0}\frac{1-\cos x\sqrt{\cos 2x}\sqrt[3]{\cos 3x}}{x^2}\) \[ \begin{aligned} &\lim_{x \to 0} \frac{1-\cos x\sqrt{\cos 2x}\sqrt[3]{\cos 3 阅读全文