lim _(xarrow infty )((1-dfrac {1)(2x))}^x+2= ).A.lim _(xarrow infty )((1-dfrac {
(14) lim _(xarrow infty )((dfrac {x+2)(x+1))}^x;
(单选题)lim _(xarrow infty )((dfrac {x-4)(x))}^2x=____lim _(xarrow infty )((dfrac {
计算函数极限(1)lim _(xarrow 1)dfrac (x-3)(x+2)(2)lim _(xarrow 1)dfrac (x-3)(x+2)(3)lim
16、求极限 lim _(xarrow infty )((dfrac {x-1)(x+2))}^3x
4、 lim _(xarrow infty )dfrac (sin x)(x)= __ ;
(4) lim _(xarrow infty )((dfrac {1+x)(x))}^2x;
(4) lim _(xarrow infty )((dfrac {1+x)(x))}^2x;
(6) lim _(xarrow infty )dfrac ({(2x-1))^30}({(x+2))^15((2x-15))^15}
(2) lim _(xarrow infty )dfrac (arctan x)(x).