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

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

3.求下列函数的极限.-|||-(1) lim _(xarrow infty )x((e)^dfrac (1{x)}-1);-|||-(2) lim _(xar

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

求lim _(xarrow 1)(dfrac (3)(1-{x)^3}-dfrac (1)(1-x))=()lim _(xarrow 1)(dfrac (3)(

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

求下列极限：lim _(xarrow 1)(dfrac (3)(1-{x)^3}-dfrac (1)(1-x))-|||-__求下列极限：

求极限：lim _(xarrow 1)(dfrac (1)(1-x)-dfrac (3)(1-{x)^3})-|||-__ __.求极限：.

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

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

求下列极限lim _(xarrow 0)(dfrac (1)(x)-dfrac (1)({e)^x-1});求下列极限