y=√{X+√(X)+√(X)}怎么求导

问题描述:

y=√{X+√(X)+√(X)}怎么求导

y'=1/{2√[x+√(x+√x)]}*[x+√(x+√x)]
=1/{2√[x+√(x+√x)]}*[1+1/[2√(x+√x)]*(x+√x)'
=1/{2√[x+√(x+√x)]}*[1+1/[2√(x+√x)]*[1+1/(2√x)]