(13) lim _(xarrow 0)((dfrac {arctan x)(x))}^dfrac (1{{x)^2}}
1.lim _(xarrow 0)dfrac (arctan x)(x)=1.
计算下列极限:(1) lim _(xarrow 0)(x)^2sin dfrac (1)(x);-|||-(2) lim _(xarrow infty )dfr
(2) lim _(xarrow infty )dfrac (arctan x)(x).
计算下列极限:-|||-(1) lim _(xarrow 0)(x)^2sin dfrac (1)(x);-|||-(2)lim arctan x
(2) lim _(xarrow +infty )((dfrac {2)(pi )arctan x)}^x;
lim _(xarrow 0)dfrac (x-tan x)(arctan {x)^3};;
(11) lim _(xarrow +infty )((dfrac {2)(pi )arctan x)}^x
【题目 lim _(xarrow 0)arctan dfrac (1)(x) 的极限为 ()-|||-
(9) lim _(xarrow +infty )dfrac (ln (1+dfrac {1)(x))}(arctan x) :