下列极限中正确的是lim _(narrow infty )(7)^dfrac (1{x)}=0-|||-→0lim _(narrow infty )(7)^dfrac (1{x)}=0-|||-→0lim _(narrow infty )(7)^dfrac (1{x)}=0-|||-→0lim _(narrow infty )(7)^dfrac (1{x)}=0-|||-→0

根据数列极限定义证明：(1) lim _(narrow infty )dfrac (1)({n)^2}=0-|||-(2) lim _(narrow infty

极限lim _(narrow +infty )((dfrac {1)(3))}^n= A 0 B 1极限A0B1

1.利用数列极限的" -N 定义证明:-|||-(1) lim _(narrow infty )dfrac (1)({n)^2}=0;-|||-(2) lim

设lim _(xarrow infty )dfrac (a{x)^2-1}(x-1)=0-|||-__,则a= __________.设,则a=________

13.下列极限中正确的是 ()-|||-lim _(xarrow infty )(e)^x=infty -|||-lim _(xarrow -infty )(e

1.利用 lim _(narrow infty )((1+dfrac {1)(n))}^n=e 求下列极限:-|||-(1) lim _(narrow inft

1.利用 lim _(narrow infty )((1+dfrac {1)(n))}^n=e 求下列极限:-|||-(1) lim _(narrow inft

__-|||-lim _(narrow infty )([ sin (dfrac {pi )(4)+dfrac (1)(n))] }^n=( )A.

→(a)→∞-|||-lim _(narrow infty )(x)_(n)=+infty lim _(narrow infty )(y)_(n)=infty

16.-|||-□A、 (int )_(0)^1xdx=lim _(narrow infty )sum _(n=1)^infty dfrac (i)(n)cdo