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

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

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

计算极限lim _(xarrow 0)dfrac ({x)^2sin 2x}(x-{int )_(0)^x}(e)^(t^2)dt.计算极限.

求极限lim _(xarrow 0)dfrac ({int )_(0)^x((e)^t-1)cos tdt}(xarctan x)-|||-__求极限

求极限lim _(xarrow infty )dfrac (1+2{e)^x}(1-3{e)^2x}-|||-__-|||-lim _(xarrow {0)^+

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

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

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

lim _(xarrow 0)dfrac (1-{e)^(x^2)}(xsin 2x)

2.求下列极限:-|||-(1) lim _(xarrow 4)dfrac ({x)^4-256}(x-4);-|||-(2) lim _(xarrow 0)d