SOLUTION: What is the derivative of f(x)=ln1/x?

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Question 418452: What is the derivative of f(x)=ln1/x?

Found 2 solutions by robertb, Edwin McCravy:
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
ln%281%2Fx%29+=+-lnx ==> derivative is -1/x.

Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!

%22f%28x%29%22=ln%281%2Fx%29

Rewrite as

%22f%28x%29%22=ln%28x%5E%28-1%29%29

Then rewrite as

%22f%28x%29%22=-ln%28x%29

%22f%27%28x%29%22=-1%2Fx

Edwin