1. Derivative of Natural Log

f(x) = ln(x3+5x+7)

f'(x) = {1/(x^3+5x+7)}(3x2+5)

is this right?

2. Re: Derivative of Natural Log

so when I multiply it together the derivative should be

(3x^2+5)/(x^3+5x+7)

3. Re: Derivative of Natural Log

Yes it's correct, well done.