5、单选 极限 lim _

5.单选题极限lim _(xarrow dfrac {pi )(2)}((1+cot x))^tan x=( )A.1B.eC.lim _(xarrow dfr

求极限lim_求极限$\lim_{n\to\infty}(\frac{1}{n^{2}+1+1}+\frac{2}{n^{2}+2+1}+\cdots+\fra

求下列极限-|||-lim _(xarrow +infty )(sqrt (x+5)-sqrt (x));

极限lim _(xarrow infty )((dfrac {x)(1+x))}^5x=A.lim _(xarrow infty )((dfrac {x)(1+

7、|遇遇 极限 lim _

8.计算极限 lim _

3.计算下列极限.-|||-(1) lim _(xarrow 2)(-2) ;-|||-(3) lim _(xarrow 2)dfrac ({x)^2-16}(

求极限lim _(narrow infty )dfrac ({5)^n+(2)^n}({5)^n-(3)^n}求极限

10、单选-|||-极限 lim _-|||-A-|||-dfrac (1)(6)-|||-B dfrac (1)(2)-|||-C -dfrac (1)(3)

4.求下列极限（5）lim _(xarrow {0)^+}sqrt [x](cos sqrt {x)}4.求下列极限（5）