58.若 lim _(xarrow 0)dfrac ((1+x)(1+2x)(1+3x)+a)(x)=6, 则a的值为 ()-|||-

[题目]设 lim _(xarrow 0)dfrac ((1+x)(1+2x)(1+3x)+a)(x)=6 则a的值为-|||-()-|||-

(2) lim _(xarrow 0)((1+2x))^dfrac (1{x)};

[题目]-|||-lim _(xarrow 0)((1+3x))^dfrac (2{sin x)}=

若lim _(xarrow 0)dfrac ({(1+a{x)^2)}^sin x-1}({x)^3}=6-|||-__，则lim _(xarrow 0)dfr

lim _(xarrow 0)((1+x))^dfrac (3{x)}=；；

lim _(xarrow 0)((1+x))^dfrac (2{x)}= __

计算：lim _(xarrow 0)dfrac ({(1+x))^dfrac (2{x)}-(e)^2(1-ln (1+x))}(x)。计算：。

计算极限 lim _(xarrow 0)dfrac ({(1+x))^dfrac (2{x)}-(e)^2[ 1-ln (1+x)] }(x) +x)]/

设 lim _(xarrow 0)dfrac (ln (1+x)-(ax+b{x)^2)}({x)^2}=2, 则设 lim _(xarrow 0)dfrac

求极限: lim _(xarrow 0)((1+2x))^dfrac (1{sin 3x)}=