SOLUTION: may you please help me find the derivative of this question: f(x)=xarctan(x) - ln(x^2+1)/2 thanks a lot.

Algebra ->  Equations -> SOLUTION: may you please help me find the derivative of this question: f(x)=xarctan(x) - ln(x^2+1)/2 thanks a lot.      Log On


   

Question 808100: may you please help me find the derivative of this question:
f(x)=xarctan(x) - ln(x^2+1)/2
thanks a lot.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
find the derivative of this question:
======================
f'(x) = atan%28x%29+%2B+x%2F%281%2Bx%5E2%29+-+%281%2F2%29%2A%28x%5E2%2B1%29%5E%28-1%29%2A2x
f'(x) = atan%28x%29+%2B+x%2F%281%2Bx%5E2%29+%2B+1%2F%28x%5E2%2B1%29
f'(x) = atan%28x%29+%2B+%28x%2B1%29%2F%281%2Bx%5E2%29
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Is there some reason you couldn't do that?