lim(x-∞)(5x^2/1-x^2)+2^(1/x)
几道求极限的高数题,lim1/x(tanπx/(2x+1)) x→∞lim x(x^x-1)x→0+lim(x^x^x-
lim(x→∞)[(a x^2)/x+1]+bx=lim(x→∞)(a x^2)+bx(x+1) / x+1=lim(x
lim(x→∞)[sinx/x+xsin(1/2x)]
lim(x^2+1/x^2-2x)^x=?
lim(x->0)((2-x)/(3-x))^1/x
求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限
lim tan x - sin x / x³ lim eˆ2x - 1 / x
极限:lim(x->2)1/(x-2)
lim(x+e^2x)^(1/sinx)
lim x->pi (x^2-1)/cosx
lim(x→∞)[(X^2+2x+5)/(4x^2-x+1) =(1+2/x+5/x^2)/(4-1/x+1/x^2)=
求极限lim(x→∞)[(2x+5)/(2x+3)]^(x+1)