设函数y=f((x+1)/(x-1)),其中f(x)满足f'(x)=arctan√x,则dy/dx∣x=2等于多少.请高手给个明细吧

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设函数y=f((x+1)/(x-1)),其中f(x)满足f''(x)=arctan√x,则dy/dx∣x=2等于多少.请高手给个明细吧设函数y=f((x+1)/(x-1)),其中f(x)满足f''(x)=

设函数y=f((x+1)/(x-1)),其中f(x)满足f'(x)=arctan√x,则dy/dx∣x=2等于多少.请高手给个明细吧
设函数y=f((x+1)/(x-1)),其中f(x)满足f'(x)=arctan√x,则dy/dx∣x=2等于多少.请高手给个明细吧

设函数y=f((x+1)/(x-1)),其中f(x)满足f'(x)=arctan√x,则dy/dx∣x=2等于多少.请高手给个明细吧
貌似就是问的f“(2)等于多少吧,带入等于arctan√2