求极限lim _(xarrow 0)dfrac ({x)^3+(x)^4}(x-sin x)-|||-__

求下列极限lim _(xarrow 0)dfrac (tan x-x)(x-sin x)。求下列极限。

求lim _(arrow 0)dfrac (x-sin x)({(arctan x))^3}=lim _(arrow 0)dfrac (x-sin x)({(a

求下列函数的极限:-|||-(1) lim _(xarrow 0)dfrac (tan x-x)(x-sin x)

1.求下列极限.-|||-(1) lim _(xarrow 0)dfrac (x-xcos x)(x-sin x)

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

lim _(xarrow 0)dfrac (x-sin x)(x+sin x)..

(3) lim _(xarrow 0)dfrac (tan x-sin x)({sin )^3x}

(3) lim _(xarrow 0)dfrac (tan x-sin x)({sin )^3x};

1.用洛必达法则求下列极限.-|||-(1) lim _(xarrow 0)dfrac (ln (1+x))(x) :-|||-(3) lim _(xarrow

求下列极限: lim _(xarrow alpha )dfrac (sin x-sin alpha )(x-alpha );求下列极限: ;