limx/(2^1/x+1) x趋近于零
limx趋近于无穷2x^3-x+1
limx趋近于0(sinx/x)^(1/x^2)
limx趋近于1,(1-x^2)/sinx
limx(e^1/x-1) x趋近于无穷
limx趋近于0sin3x/2x
lim1/根号n*sin (n趋近于无穷),limx^3+1/4-x^2(x趋近于2),limx^2+1/x-1/x^2
求极限 limx趋近于无穷(x^2-1)/(3x^2-x-1)
limx趋近于无穷(x+3)/(x-2)的(2x+1)次方求解
limx趋近于无穷x^7(1-2x)^8/(3x+2)^15的极限.
limx趋近于无穷x/x+1的-2x次方
求极限limx趋近于0 (arcsinx/x)^(1/x2)
limX趋近无穷 x^2-1/2x^2-x