limx→-oo[(4x^2+x-1)^1/2+x+1]/(x^2+sinx)^1/2.
求极限limx->0(sinx/x)^(1/x^2)
limx趋近于0(sinx/x)^(1/x^2)
limx→π/2 (sinx)^tanx limx→∞(2x+3/2x+1)^x+1 求极限
limx趋向于无穷大((2+e^(1/x))/(1+e^(4/x)+sinx/|x|)
limx趋近于1,(1-x^2)/sinx
求limx->0 (1+3x)^(2/sinx)
limx趋于0,ln(1-2x)/sinx,求极值
limx→0(tanx-sinx)/[3^√(1+x^2))][√(1+sinx)-1]求极限
limx趋于0 1/x sinx=
limx→∞4x^2+4x-3/3x^2-2x+1
limx→∞(x^4+3x-1)/(3x^4+4x^2+1)
求极限 limx→∞ 3x^2+x-1/4x^2-3x+2