lim(x→0)(3x-1)分之(2X+3)
求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限
lim(x->0)((2-x)/(3-x))^1/x
lim(x→0)[(1+X)(1+2X)(1+3x)-1]/x
lim x→0 (x^2+2x-1)/(x^3-2x)的极限是多少
数学极限lim(x→0)((x^3)/(3*x^2-1)) lim(x→+无穷)(√x(x+2)-√(x^2-x+1))
求极限 ((sin(x^3+x^2-x)+sin x) /x x→0 已知lim sinx/x=1
求极限 lim x→π/2 (sin2x)^3 lim x→0 根号(1+x^2)-1/x
lim(x→0) (x^2+1)/(3x^2-x-1) =
lim(x→0)((1-2x)/(1+3x)) ^(1/x)
用极限定义证明 x→-1 lim(x^3+x^2+x+1)=0
lim(x→0)[(3x+1)/(4x-2)]^1/x 这道题怎么算极限
lim(x→0)(x^2+cosx-2)/(x^3)*ln(1+x)怎么算