2.求下列极限:4) lim _(xarrow 1)(dfrac (1)(x-1)-dfrac (2)({x)^2-1});2.求下列极限:
lim _(xarrow 4)dfrac (sqrt {2x+1)-3}(sqrt {x-2)-sqrt (2)}=..
(21)lim _(xarrow 4)dfrac (sqrt {2x+1)-3}(sqrt {x-2)-sqrt (2)}(21)
2.求下列极限:-|||-(1) lim _(xarrow 4)dfrac ({x)^4-256}(x-4);-|||-(2) lim _(xarrow 0)d
7.极限 lim _(xarrow 4)dfrac (sqrt {2x+1)-3}(sqrt {x)-2}= ()-|||-
(2) lim _(xarrow infty )((dfrac {2x+3)(2x+1))}^x+1;
求下列极限(3)lim _(xarrow infty )(dfrac ({x)^3}(2{x)^2-1}-dfrac ({x)^2}(2x+1))求下列极限(3
1.计算下列极限:-|||-(1) lim _(xarrow 2)dfrac ({x)^2+5}(x-3) =-|||-(4) lim _(xarrow 1)d
求下列极限lim _(xarrow 4)dfrac (sqrt {2x+1)-3}(sqrt {x-2)-sqrt (2)}求下列极限
(3) lim _(xarrow infty )((dfrac {2x+3)(2x+1))}^x+1