(2) lim _(xarrow 0)[ dfrac (1)(ln (1+{tan )^2x)}-dfrac (1)(ln (1+{x)^2)}]
求极限 lim _(xarrow 0)dfrac (ln (1+{x)^2)-ln (1+(sin )^2x)}(x{sin )^3x}
lim _(xarrow 0)((cos x))^dfrac (1{ln (1+{x)^2)}}..
求极限lim _(xarrow 0)((dfrac {sin x)(x))}^dfrac (1{ln (1+{x)^2)}}求极限
求下列极限-|||-lim _(xarrow 0)[ dfrac (1)(ln (x+sqrt {1+{x)^2})}-dfrac (1)(ln (1+x))]
lim _(xarrow 0)dfrac (ln (1+{x)^2)}(sec x-cos x)..
10) lim _(xarrow 0)dfrac (ln (1+{x)^2)}(sec x-cos x)
lim _(xarrow 0)((dfrac {1+{2)^x}(2))}^dfrac (1{x)}= __
1.求极限 lim _(xarrow 0)dfrac (tan x-x)(ln (1+{x)^3)}
lim _(xarrow 0)dfrac (x{int )_(0)^x((e)^2t-1)dt}(ln (1+{x)^3)}。。