lim(1-x)/(x2-1) x趋向于1

lim(1-x)/(x2-1) x趋向于1 lim(1-cosx)/x2 x趋向于0 lim(x趋向于0)(e^x2+cosx-1)^(1/x2) Lim 1-根号下1-x2分之x2 x趋向于0 lim(1+x)的1/x2次方 (x趋向于无穷) lim(e^x2-1)/(cosx-1)当X趋向于0的时候,极值是多少 lim （x趋向于无穷） 1/x3+x2的极限 lim(x趋向于1)[x/(1-x)-1/lnx] lim(1+e^1/x)^x,x趋向于+0 lim(1-2x)^1/x x趋向于0 lim(arctan1/x)/(1/x),x趋向于无穷,为什么? lim(x趋向于无穷)(1+3/x)^(x-3) 求lim x趋向于0(e^x-x-1) x趋向于0 lim loga(1+x)/x= lim(x趋向于0)(x*cotx-1)/(x^2) lim(1+3x)^3/x x趋向于0 lim(1+3x)^(2/x)x趋向于零 lim((1/x2)-(ctgx)2) x趋向0的极限值