Question

y=arcsin√1-x/1+x求导,谢谢

Answer 1

应该是
y = arcsin√[(1-x)/(1+x)]
吧?记
y = arcsinu,u = √v,v =(1-x)/(1+x),
则
y' = [1/√(1-u^2)]*(1/2√v)*[-2/(1+x)^2]
= …….