求极限 lim_(x to +infty) (3^x + 9^x)^(1)/(x)

求极限 lim_(x to infty) ( (2x+3)/(2x+1) )^x-1 求极限 $\lim_{x \to \infty} \left( \frac

58 求极限：lim_(xto+infty)(x^(1)/(x)-1)^(1)/(ln x).58 (10-3 10分)求极限：$\lim_{x\to+\inf

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).

9 计算极限lim_(xto+infty)(1+x)^(1)/(x)A. 1B. eC. 0D. 上岸

1.求下列极限:-|||-(3) lim _(xarrow +infty )(({3)^x+(9)^x)}^dfrac (1{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

已知极限lim_(x to infty) (ax+3)/(x-1) = 2，则(）A. a=0B. a=2C. a=1D. a 为任意常数

1.6] 求极限= lim _(x arrow infty )( (1)/(x)+2^ (1)/(x))^x1.6] 求极限$= \lim _{x \right

求极限lim _(xarrow infty )((dfrac {x)(1+x))}^2x+3求极限