极限lim(x→0)(x+1)(1-2x)=

lim(x→0)(1-2x)^1/x 极限? 极限lim(x→0)(1-2/x)^x lim(x→0)e^(-1/x^2)的极限? 求lim(1-cos2x)/x^2极限,x→0 求极限lim(x→0) (1-sinx)^(2/x) 求极限 lim(x→0)(1-sinx)^(2/x) 求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限 求极限lim Ln(1+x) /x > .< x→0 求极限lim(x-->0)x^2 sin(1/x), lim x→0 (x^2+2x-1)/(x^3-2x)的极限是多少 极限：lim(x->2)1/(x-2) 求极限lim(x→0)sinxsin(1/x);lim(x→∞)(arctanx/x) 求极限lim[x→0] [根号(1+ x )+根号(1-x )-2]/x^2 用极限定义证明 x→-1 lim（x^3+x^2+x+1)=0 lim(x→0)[（3x+1)/(4x-2)]^1/x 这道题怎么算极限 lim(1+2x)∧(x+1/x)极限求法!大神显灵 x→0 求极限lim(x→0)[2sinx+x^2(sin1/x)]/ln(1+x) lim（x→0）[x^2/(e^x-x-1)]的极限