limX^X^2,x→0+,怎么求~

limX^X^2,x→0+,怎么求~ limX^X^2,x→0+,怎么求~ limx→0 （x-1)/x^2 怎么解 limx→0 x^2/x-1怎么解 limx~0,x/(sinx∧2)的极限 怎么求? limX^(1/x)怎么求? 求极限limx→0(x-sinx)/x^2 求极限limx→0ln(1+x)/2x 求limx→0(1-x)^2/x 求limx→0(1+2x)^1/x limx→0(f(x)/x^2)=5 求limx→0f(x)与limx→0(f(x)/x) limx趋于0（x^3-5x^4）/（x+x^2）极限怎么求 求3个极限:limx→0 sin3x/2x=?limx→∞ xsin(1/x)=?limx→0 [sin(1/x)]/(1/x)=? 求极限limx→0 sinsinx/x limx→0 2xcot4x limx→0+(x^sinx)求极限 求极限 limx→0 e^x-e^-x -2x/tan x-x 求limx→0 x²/1-cosx .怎么就等于2了啊? 求极限limX^(1/2) lnX (X→0+)