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

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

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

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

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

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

11.求下列极限:-|||-(1) lim _(xarrow 0)dfrac ({int )_(0)^xcos (t)^2dt}(x)

求下列极限：(1)lim _(xarrow 0)((int )_(0)^xcos (t)^2dt)/(x)；(2)underset(xto 0)(mathrm{

求下列极限： (1) lim _(xarrow a)dfrac (x)(x-a)(int )_(a)^xf(t)dt, 其中f(x)连续; (1) li

求极限lim _(xarrow {0)^+}dfrac (1-sqrt {cos x)}(x(1-cos sqrt {x))}求极限

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