极限lim _(xarrow {0)^+}dfrac ({int )_(0)^(x^4)dt(int )_(0)^xsin dfrac (t)(u)du}(1-{e)^-dfrac (1{8)}(x)^8}为（ ）

求下列极限: lim _(xarrow 0)[ dfrac ({int )_(0)^xsqrt (1+{t)^2}dt}(x)+dfrac ({int )_(0

求极限lim _(xarrow 0)dfrac ({int )_(0)^2xln (1+t)dt}(xsin x)求极限

求极限lim _(xarrow 0)dfrac ({int )_(0)^x(1-cos t)dt}({x)^3}= (ost)dt/=()。求极限。

极限lim _(xarrow 0)dfrac ({int )_(0)^(x^2)(e)^tdt}(2x)=()A、 lim _(xarrow 0)dfrac (

(1) lim _(xarrow 0)dfrac ({({int )_(0)^x(e)^(t^2)dt)}^2}({int )_(0)^xt(e)^2(t^2)

lim _(xarrow 0)dfrac (x{int )_(0)^x((e)^2t-1)dt}(ln (1+{x)^3)}。。

lim _(xarrow 0)dfrac ({int )_(x)^0((e)^t+(e)^-t-2)dt}(1-cos x) ()-|||-__=（）=（）A.

计算极限：lim _(xarrow 0)[ dfrac ({{int )_(0)}^x(e)^-tcos tdt}({ln )^2(1+x)}-dfrac (1

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41.求极限 lim _(xarrow 0)dfrac ({int )_(0)^xln (t+(e)^t)dt}(1-cos x)