lim (x^2+2)/(x+2) x→1 求极限
求极限lim(1-2/x+3/x^2)^x
求极限lim(x-->0)x^2 sin(1/x),
求极限lim{xln(1+2/x)}
求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限
lim (x→1) (x/2+x)^{1-x^(1/2)/1-x} 求极限~
1.4求极限lim(x→∞) (x^2+x)/ (x^4-3x^+1)
求极限lim x→π(sin3x)/(x-π)和求极限lim x→π/2(1+cosx)secx
几道微积分一,求极限lim x→÷∞ x一,求极限lim x→÷∞ x+2x/2x-3x+1二,求极限lim x→1 x
求极限lim(x->0)(x+e^x)^2/x
求1、lim(x→∞)10^1/x的极限 2、lim(x→1)arctanx的极限,
极限lim(x→0)(1-2/x)^x
极限:lim(x->2)1/(x-2)