若lim _(xarrow 0)dfrac ({e)^2x-1}(tan ax)=-3-|||-__，则lim _(xarrow 0)dfrac ({e)^2x-1}(tan ax)=-3-|||-_________.

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

令(x)=lim _(xarrow infty )dfrac (1-{e)^-ax}(1+{e)^-ax},则(x)=lim _(xarrow infty )d

lim _(xarrow 0)dfrac ({x)^2sin dfrac (1)(x)}(tan x)=A.0B.1C.lim _(xarrow 0)dfrac

已知 lim _(xarrow 0)([ 1+x+dfrac {f(x))(x)] }^dfrac (1{x)}=(e)^3, 则 lim _(xarrow 0

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

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

3.极限 lim _(xarrow 0)(dfrac (1+x)(tan x)-dfrac (1)(x))=

4.求下列极限: lim _(xarrow 0)((dfrac {2x-1)(3x-1))}^dfrac (1{x)}-|||-__

lim _(xarrow 0)dfrac ({(1+2{x)^2)}^dfrac (3{2)}-1}(tan 2x(cos sqrt {x)-1)}。。

(17) lim _(xarrow {0)^+}((dfrac {1)(x))}^tan x