$\lim_{x \to 0} \left( \frac{1}{x^2} - \frac{1}{x \arcsin x} \right)$
lim_(x to 1) (arcsin(1-x))/(ln x) $\lim_{x \to 1} \frac{\arcsin(1-x)}{\ln x}$
lim_(x to 0) (2^x-1)/(x)= ( )A. ln2B. 2C. 1D. 0
若 lim_(x to 0) (f(2x))/(x) = 2,则 lim_(x to infty) xf((1)/(2x)) = ( )A. $\frac{1}
3.计算下列极限(1) lim_(x→2)(-2) ;(2) lim_(x→1)(x^3-x^2+x-1) ;21(3)lim_(x→2)(x^2-16)/(x
3.计算下列极限(1) lim_(x→2)(-2) ;(2) lim_(x→1)(x^3-x^2+x-1) ;21(3)lim_(x→2)(x^2-16)/(x
11.已知lim_(x to 0) (ln(1+frac(f(x))/(x)))(2^x-1)=3,则lim_(x to 0) (f(x))/(sqrt(1+x
lim_(x to 0) ((1+x)^frac(2)/(x) - e^2)(x) $\lim_{x \to 0} \frac{(1+x)^{\frac{2}{
设lim_(x to 0) (sin 2x + xf(x))/(x^3) = 1,则lim_(x to 0) (2cos x + f(x))/(x^2) = (
8.设lim_(x to 0) (sin 2x + xf(x))/(x^3) = 1,则lim_(x to 0) (2cos x + f(x))/(x^2) =
lim_(x→1)((2)/(({x^2)-1)}-(1)/(x-1))=( )A. -1B. $-\frac{1}{2}$C. $\frac{1}{2}$D.