
lim _(xarrow infty )dfrac (sqrt {{x)^2+5}-3}({x)^2}--|||-○
求lim _(xarrow infty )dfrac (sin dfrac {3)(x)}(sin dfrac {2)(x)}求
lim _(xarrow 2)dfrac (sqrt {{x)^2+5}-3}({x)^2-4}=-|||-○
17、单选 lim _(xarrow infty )dfrac (sin 3x+2x)(sin 2x-3x)-|||-A dfrac (1)(3)-|||-B
(5) lim _(xarrow infty )((dfrac {3+x)(6+x))}^dfrac (x-1{2)}
(3) lim _(xarrow 0)dfrac (sin 2x)(sin 5x);
lim _(xarrow infty )(dfrac (1)(x)sin 5x+xsin dfrac (8)(x))=
lim _(xarrow infty )xcdot sin dfrac (3)(x)=
1.计算下列极限:-|||-(1) lim _(xarrow 2)dfrac ({x)^2+5}(x-3) =-|||-(4) lim _(xarrow 1)d
1.计算下列极限:-|||-(1) lim _(xarrow 2)dfrac ({x)^2+5}(x-3) ;-|||-(4) lim _(xarrow 0)d