微積分-微分

5~7
求 f ' (x)

5.f (x) = ln | x + e^2x |

6.f (x) = log |x^2 - x| <-底為x

7.f (x) = x^2x ,f ' (x) =(2lnx+2)*f(x) ?
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8.log y =6x <-底為x ,求y'