求极限
求极限
求下列极限.-|||-lim _(xarrow -1)(dfrac (1)(x+1)-dfrac (4)({x)^3+1})
[例 1-14] 求 lim _(xarrow -1)(dfrac (1)(x+1)-dfrac (3)({x)^3+1})
求极限：lim _(xarrow 1)(dfrac (1)(1-x)-dfrac (3)(1-{x)^3})-|||-__ __.求极限：.
求lim _(xarrow 1)(dfrac (3)(1-{x)^3}-dfrac (1)(1-x))=()lim _(xarrow 1)(dfrac (3)(
求下列极限：lim _(xarrow 1)(dfrac (3)(1-{x)^3}-dfrac (1)(1-x))-|||-__求下列极限：
求极限lim _(xarrow 0)dfrac (x({e)^x+1)-2((e)^x-1)}({x)^3}-|||-__求极限
)求下列极限:-|||-(1) lim _(xarrow 1)dfrac ({x)^2-x+1}({(x-1))^2} =-|||-(3) lim _(xarr
求lim _(xarrow 3)dfrac (sqrt {x+1)-2}(x-3)求
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
3.求极限 lim _(xarrow 1)dfrac (sqrt [3]{x)-1}(sqrt {x)-1}