Question

怎么算函数y=f(x)的导数

Answer 1

y = f(x), dy = f'(x)dx
(1) dy = [e^x/(1+e^x)]dx
(2) dy = [1/(x+1)-1/x^2-1/x^(3/2)]dx
(3) dy = [(2x-1)e^(2x)/x^2]dx
(4) dy = [1/(x^2+1)^(3/2)]dx