Question

求函数的导数，要过程

求函数的导数，要过程第二题的第三小题

Answer 1

y=(x-√x)/(x+√x)
(x+√x)y=(x-√x)
(1+1/2√x)y+(x+√x)y'=1-1/2√x
(1+1/2√x)(x-√x)/(x+√x)+(x+√x)y'=1-1/2√x
(1+1/2√x)(x-√x)+(x+√x)^2y'=(1-1/2√x)(x+√x)
y'=[(1-1/2√x)(x+√x)-(1+1/2√x)(x-√x)]/(x+√x)^2