lim _(x arrow 2) e^(1)/(2-x) = ( )

lim _(x arrow 0)(x+2 e^x)^(1)/(x-1) = ( ).A. 1B. $\frac{1}{2}$C. $\frac{1}{4}$D.

求极限lim _(arrow 0)dfrac (arcsin ({e)^2x-1)}(ln (1+2x))=-|||-__( )lim _(arrow 0)

极限 lim_(x arrow 0) ( (2 + e^frac(1)/(x))(1 + e^(2)/(x)) + (sin x)/(|ln(1+x)|) )

lim _(x arrow 0)(1-mx)^(1)/(x)=e^2，则m=（ ）A. $-1/2$B. $2$C. $-2$D. $1/2$

lim _(x arrow 1) (x-y)/(x^2)-y^(2)=A. 0 ;B. $\frac{1}{2}$ ;C. $\infty$ ;D. 不存在.

lim_(x arrow 1) (sin^2(x-1))/(x^2)-1$\lim_{x \rightarrow 1} \frac{\sin^{2}(x-1)}

arrow (overrightarrow (x)-(e)^x-1)-|||-(25) lim _(xarrow 0)((1+{x)^2)}^dfrac (1{

极限lim _(x arrow 0) x sin (1)/(x^2)=（ ）A. 1；B. $\infty$；C. 不存在.D. 0；

1.6] 求极限= lim _(x arrow infty )( (1)/(x)+2^ (1)/(x))^x1.6] 求极限$= \lim _{x \right

lim _(x arrow 1)((1)/(x-1)-(3)/(x^2-1))= $\lim _{x \rightarrow 1}\left(\frac{1}{