怎么算函数y=f(x)的导数
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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
(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
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