证明:lim(cosX/X^2)=0 (X趋向无穷大)
lim(x趋向于0)(1-cosx)/x^2
lim(x/(1+x^2)),x趋向无穷大
x趋向于无穷大时,lim(2x-sinx)/(x+cosx)的极限
lim(x^3+1)(3+cosx)/2x^4-1(x趋向无穷大)的极限
lim(X趋向于无穷大)cosX的极限存在吗?
lim(x-3/x+1)^x lim趋向无穷大
lim(1-cosx)x趋向0,
X趋向0 lim(xsinx)/(1-cosx)
lim(x趋向无穷大)[1+2/(x+2)]^(x+2)
lim 根号(x+2)(x-1) 减去x的极限(x趋向正无穷大)
幂指函数求极限 lim x趋向无穷大(x-3/x+2)^x=
lim(sinx/x) x趋向无穷大的极限?