Question

derivative of ln[(x+1)/(x^3+1)] I know I use the quotient rule, but what do I do with the ln?

Answer 1

so its the chain rule
ln(x) is the outer function, so you will have \(\frac{1}{\frac{x+1}{x^3+1}}(\frac{x+1}{x^3+1})'\)

Answer 2

@rysuh understand?

Answer 3

Oh I see now! Thank you so much.

Answer 4

np

Answer 5

It's ugly.