A. 0
B. 1
C. $e^{4}$
D. $e^{-4}$
14.计算lim_(xto+infty)[(x^x+1)/((1+x)^x)-(x)/(e)].14.计算$\lim_{x\to+\infty}\left[\f
②lim_(xto+infty)(1+x)^(1)/(x).③lim_(xtoinfty)(1+(1)/(sqrt(1+x^2)))^x. ④lim_(xto
lim_(x arrow infty ) ((1+x)/(x))^2x$\lim_{x \rightarrow \infty } (\frac{1+x}{x})
9 计算极限lim_(xto+infty)(1+x)^(1)/(x)A. 1B. eC. 0D. 上岸
求极限lim_(xto+infty)x(sqrt(1+x^2)-x).2. 求极限$\lim_{x\to+\infty}x(\sqrt{1+x^{2}}-x).
lim_(x to infty) x sin (1)/(x) =()单选题(共40题,100.0分) 14. (2.5分) $\lim_{x \to \inft
lim_(x to infty) (sin x)/(x) = 1A. 对B. 错
(4) lim _(xarrow infty )((dfrac {1+x)(x))}^2x;
(4) lim _(xarrow infty )((dfrac {1+x)(x))}^2x;
设 f(x)=} lim_(n to infty) (x^n)/(1+x^n) & x geq 0 x & xA. $x=1$ 为跳跃间断点B. $x=0$