Split the Log First — medium Derivative Rules problem | Incognition
Split the Log First
20 pts · 20 coins
Derivative RulesMedium
Split the Log First
For x>0, define
f(x)=ln((x+1)4x32x+5)
Attacking this fraction directly with the quotient and chain rules is a long, error-prone slog. Taking the logarithm apart before differentiating is neither.