



[题目]计算极限 lim _(xarrow 2)dfrac (sin (x-2))({x)^2-5x+6}
lim _(xarrow 2)dfrac (sqrt {{x)^2+5}-3}({x)^2-4}=-|||-○
试求下列极限:-|||-lim _(xarrow 2)(sqrt (3-x)+ln dfrac (x)(2))dfrac (1)({sin )^2(x-2)}
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 2)dfrac ({x)^3+2(x)^2}({(x-2))^2}。。
lim _(xarrow 2)dfrac ({x)^3+2(x)^2}({(x-2))^2}
(5) lim _(xarrow 2)dfrac ({x)^3+2(x)^2}({(x-2))^2} ;
(5) lim _(xarrow 2)dfrac ({x)^3+2(x)^2}({(x-2))^2} ;
lim _(xarrow 4)dfrac (sqrt {2x+1)-3}(sqrt {x-2)-sqrt (2)}=..