求limx→0[(1+x)/(1-x)]^1/x

求limx→0[(1+x)/(1-x)]^1/x 求limx→0[(1-x)^(1/x)] 求limx→0(1+2x)^1/x 求极限 limx→0=（1/X)^(tan x) 求极限limx→0ln(1+x)/2x 求limx→0(1-x)^2/x 如何求limx→0（3^x-1)/x limx→0(1-x)^(1/x) limx→0(1-x)^x= limX^(1/x)怎么求? 求3个极限:limx→0 sin3x/2x=?limx→∞ xsin(1/x)=?limx→0 [sin(1/x)]/(1/x)=? 求limx→∞(x/1+x)^x的值 求极限：limx^(x^x-1),x趋向于0+ 求limx趋近0[ln(1+x)-x)/x^2] limx→0(1/sinx-1/x)求极限 求limx→0 (e^x-1)sinx/1-cosx limx→0(1+3x)^(1/sinx) 求解答. 求极限limX^(1/2) lnX (X→0+)