limx→0(5+1/x-2/x^2)求详解

求limx→0(1+2x)^1/x 求极限limx→0ln(1+x)/2x 求limx→0(1-x)^2/x limx→0(f(x)/x^2)=5 求limx→0f(x)与limx→0(f(x)/x) 求3个极限:limx→0 sin3x/2x=?limx→∞ xsin(1/x)=?limx→0 [sin(1/x)]/(1/x)=? limx→0,[(3^x+5^x)/2]^1/x求极限 求limx趋近0[ln(1+x)-x)/x^2] limx→1 x^2-x+1/x-1= limx→0+x^sinx= 求极限limX^(1/2) lnX (X→0+) 求极限limx→0 (cosx)^1/sin^2x求极限limx→0 (cosx)^(1/sin^2x) 求limx→1（x-3x＋2)/(x＋4x-5 )的极限 limx→0(5+1/x-2/x^2)求详解 求极限limx→0(x-sinx)/x^2 limX^X^2,x→0+,怎么求~ limX^X^2,x→0+,怎么求~ 求limx→+∞ (1-1/x)^x^1/2 limx→∞(1-1/2x)^x求极限 limx→∞ (1+2/x)^(x+3)求极限