.lim _(xarrow infty )dfrac ({x)^2-9}(x-3)=3 ,则-|||-

【题文】求下列极限lim _(xarrow 3)(dfrac (1)(x-3)-dfrac (6)({x)^2-9})-|||-__ __-|||-__【题文】

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lim _(xarrow 3)dfrac (sqrt {x+1)-2}(x-3)求

(7) lim _(xarrow 3)dfrac (sqrt {x+1)-2}(x-3)

lim _(xarrow infty )((dfrac {x)(2+x))}^3x

求lim _(xarrow infty )dfrac (sin dfrac {3)(x)}(sin dfrac {2)(x)}求

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

lim _(xarrow infty )dfrac (3{x)^2+5}(5x+3)sin dfrac (2)(x)= __

3.求下列函数的极限.-|||-(1) lim _(xarrow infty )x((e)^dfrac (1{x)}-1);-|||-(2) lim _(xar