underset(lim)(x→{0)^+}dfrac(1-{e)^dfrac(1{x)}}(x+{e)^dfrac(1{x)}}．

3.求下列极限.-|||-(3) lim _(xarrow {0)^+}dfrac (1-{e)^dfrac (1{x)}}(x+{e)^dfrac (1{x)

underset(lim)(x→0)dfrac(1-sqrt(1-{x)^2)}({e)^x-cosx}= _____．= _____．

lim _(xarrow 0)((x+{e)^x)}^dfrac (1{x)}..

求lim _(xarrow 0)(dfrac (1+x)(1-{e)^-x}-dfrac (1)(x))。求。

求极限lim _(xarrow 0)(dfrac (1+x)(1-{e)^-x}-dfrac (1)(x)).求极限.

lim _(xarrow 0)(dfrac (1)(x)-dfrac (1)({e)^x-1})-|||-__；；

lim _(xarrow 0)(dfrac (1)(x)-dfrac (1)({e)^x-1}) ()-|||-__ __

lim _(xarrow 0)(dfrac (1)(x)-dfrac (1)({e)^x-1}) ()-|||-__ __

2.lim _(xarrow 0)(dfrac (2+{e)^dfrac (1{x)}}(1+{e)^dfrac (4{x)}}+dfrac (sin x)(|

求极限lim _(xarrow 0)((x+{e)^x)}^dfrac (1{2x)}求极限