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

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

求下列极限-|||-lim _(xarrow 0)[ dfrac (1)(ln (x+sqrt {1+{x)^2})}-dfrac (1)(ln (1+x))]

1.求极限 lim _(xarrow 0)(dfrac (1)(ln (1+x))-dfrac (1)(sin x))

求极限 lim _(xarrow 0)[ dfrac (1)(x)-dfrac (1)({x)^2}ln (1+x)] .

1、求极限 lim _(xarrow 0)dfrac (x-sin x)({x)^2ln (1+2x)}

求极限lim _(xarrow 0)cot x(dfrac (1)(sin x)-dfrac (1)(x)) ()-|||-__ __求极限

求极限 lim _(xarrow 1)dfrac (ln [ cos (x-1)] )(1-sin dfrac {pi )(2)x}

1.求极限 lim _(xarrow 0)dfrac (tan x-x)(ln (1+{x)^3)}

计算 lim _(xarrow 0)dfrac (1)({x)^2}ln dfrac (sin x)(x) .

求下列极限：lim _(xarrow 0)dfrac (1)(x)(dfrac (1)(sin x)-dfrac (1)(tan x))-|||-__ __求下