根据函数极限的定义证明： (1) lim _(xarrow 3)(3x-1)=8;(1) lim _(xarrow 3)(3x-1)=8; (1) lim _(xarrow 3)(3x-1)=8;(1) lim _(xarrow 3)(3x-1)=8;

根据函数极限的定义证明： (1) lim _(xarrow 3)(3x-1)=8;(1) lim _(xarrow 3)(3x-1)=8; (1) lim

根据函数极限的定义证明1) lim _(xarrow 3)(3x-1)=8-|||-__1) lim _(xarrow 3)(3x-1)=8-|||-__根据函

5..根据函数极限的定义证明lim _(xarrow 3)(3x-1)=8.5..根据函数极限的定义证明.

[题目]30.计算 lim _(xarrow 2)(3x-1).

4.求下列极限: lim _(xarrow 0)((dfrac {2x-1)(3x-1))}^dfrac (1{x)}-|||-__

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

根据函数极限的定义证明:(1)lim _(xarrow infty )dfrac (1+{x)^3}(2{x)^3}=dfrac (1)(2) __;(2)li

一根据函数极限的定义证明:-|||-(1) lim _(xarrow infty )dfrac (1+{x)^3}(2{x)^3}=dfrac (1)(2);-

求lim _(xarrow 1)(dfrac (3)(1-{x)^3}-dfrac (1)(1-x))=()lim _(xarrow 1)(dfrac (3)(

9.求下列函数的极限-|||-(1) lim _(xarrow -1)dfrac ({x)^3-1}(x-1);-|||-(3) lim _(xarrow in