求极限lim(x→0) (1/x-1/ln(x+1))

求极限lim Ln(1+x) /x > .< x→0 求极限lim(x→0)sinxsin(1/x);lim(x→∞)(arctanx/x) 求极限lim(x→0)x²/1-cosx 求极限lim(x→0) cos(1/x) 求lim(1-cos2x)/x^2极限,x→0 求极限lim(x→0)(cosx-(1/x)) 求极限lim x→0 (1/xsinx+xsin1/x) 求极限lim(x→0) (1-sinx)^(2/x) 求极限 lim(x→0)(1-sinx)^(2/x) 求极限lim x→∞ (x/(1+x))^x 求极限lim→0（1/x）求详解? 求极限 lim/x-0 (根号x+1) -1/x 求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限 求极限,lim x趋于0 x * sin 1/x 求极限 lim x趋向0(x+ex)1/x 求函数极限：lim(x->0) (cos x)^(1/x) 求极限lim(x-->0)x^2 sin(1/x), 求极限Lim(x→0)1/xsinx-1/xtanx