9.求下列函数的极限-|||-(1) lim _(xarrow -1)dfrac ({x)^3-1}(x-1) =-|||-(3) lim _(xarrow i
9.求下列函数的极限-|||-(1) lim _(xarrow -1)dfrac ({x)^3-1}(x-1);-|||-(3) lim _(xarrow in
求 lim _(xarrow 1)dfrac (2x-3)({x)^2-5x+4}
求极限lim _(xarrow infty )dfrac (3{x)^2+2x+5}(2{x)^2+3x-1}。求极限。
3.求下列极限:-|||-(1) lim _(xarrow 2)dfrac ({x)^2-3x-4}({x)^2-4} =-|||-(3) lim _(xarr
3.求下列极限:-|||-(1) lim _(xarrow 2)dfrac ({x)^2-3x-4}({x)^2-4} :-|||-(3) lim _(xarr
求下列极限:(1)lim _(xarrow 1)dfrac ({x)^2+x-2}({x)^2-3x+2};(2)lim _(xarrow 1)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
)求下列极限:-|||-(1) lim _(xarrow 1)dfrac ({x)^2-x+1}({(x-1))^2} =-|||-(3) lim _(xarr
求lim _(xarrow 2)((x-1))^dfrac (3{x-2)}求