Derivatives of Natural Log Functions

Question

What is h′(x) when h(x)=ln(2x^2+x+3)?

Answer 1

[ln(u)]' = u' / u

So, [ln(2x²+x+3)]' = (2x²+x+3)' / (2x²+x+3) = (4x+1) / (2x²+x+3)