lim x趋向于0 (√(1+x)-√(1+x^2))/(√(1+x)-1)
1-√cosx/xsinx 求Lim X趋向于0
lim极限趋向于0+求x/√(1-cosx)
x趋向于0 lim f(x)/x=0,求x趋向0时 lim {[√1+f(x)]-1}/x
求极限:lim[√(2X+1)-3]/[√(x-2)-√2] x趋向于4?limx/[1-√(1+x)] x趋向于0 (
求极限问题{x趋向于无穷大} lim(√1+x^2-x)
求lim x趋向于0(arctanx)/(x^2+1)
lim(1-2^x)^sinx x趋向于-0
lim(x趋向于0)(1-cosx)/x^2
lim(1+e^1/x)^x,x趋向于+0
lim(x趋向于正无穷大时)[√(x^2+2x)-√(x-1)]/x
lim((1+x)^5-(1+5x))/(x^2+x^5) x趋向于0
lim(x趋向于正无穷大时)[sin√(x+1)-sin√x]