lim x-0 (∫0-x^2 （ln（1+2t）dt)/x^4

lim(x->0)ln(1+2x)/e^x-1 lim(x趋向0)ln(1+sin x)/x^2 lim(x趋于0)[ln(1+2x)]/x lim(x→0)[ln(2+x)-ln2]/x lim(x趋近0)ln(x/sinx) lim(x趋近于0)[1/ln(x+根号1+x^2)-1/ln(1+x)] lim(x→0)ln（x^2+1）等于 lim(x→0)(cosx)^(1/ln(1+x^2)) 怎么计算lim(x->0+)x^(1/2)*ln(sinx)? lim x趋于0 ln (1+2x)/sin3x lim x→0[ln(cosx)]/x^2 lim e^2x-1/ln(1-X) 0lim e^2x-1/ln(1-X) 0 的极限 高数求极限 要详解lim (ln tanx -ln x)/(x^2) (x->0) lim x-0 (∫0-x^2 （ln（1+2t）dt)/x^4 lim ln(e^sinx) x趋向0 lim→0+ lnx ln(1+X) lim(x趋于0+)(ln(xln a)ln(ln ax/ln(x/a))),其中a>1 求极限:lim(x->0) ln(sinx/x)/(x*x)