How do I derivate this ln(x^3 +1)

thank you

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- April 16th 2011, 04:16 AMMakronDerivate
How do I derivate this ln(x^3 +1)

thank you - April 16th 2011, 04:18 AMmr fantastic
- April 16th 2011, 04:23 AMearboth
- April 16th 2011, 06:30 AMProve It
Or to use the simpler notation...

Let u = x^3 + 1 so that y = ln(u), and note that dy/dx = (du/dx)(dy/du)