有一个用罗比达法则求极限的题按微分中值定理,当x>=0时有(x+1)^(1/2)-x^(1/2)=1/(2*(x+θ)^(1/2)),0

问题描述:

有一个用罗比达法则求极限的题
按微分中值定理,当x>=0时有(x+1)^(1/2)-x^(1/2)=1/(2*(x+θ)^(1/2)),0