lim(x,y)→(0,0) (1+xcosy)^(1/x)

lim(x→0y→1)(1+xe^y)^(2y+x/x)求极限 y=lim (x → 0) ( √1+xsinx - √cosx) / arcsin^2x.y=lim (n → ∞) 求解微分方程(x-ycosy/x)dx+xcosy/xdy=0 求下列各极限 lim(x,y)→(0,1) (2-xy)/(x^2+2y) 求极限lim(x→0)sinxsin(1/x);lim(x→∞)(arctanx/x) lim(x→0)(x/1-sinx/x+1) lim(x→0)ln(1-2x)/x 求极限lim Ln(1+x) /x > .< x→0 lim（x→0) sinx-x(x+1)/xsinx lim (x→0) (e^x-x)^(1/sinx) lim(x→0)(1-x^2-e^-x)/sinx 极限lim(x→0)(1-2/x)^x