- #1
Drake M
- 19
- 0
Homework Statement
I'm having a hard time differentiating when to use log instead of ln, vice versa. Are there any general rules to follow?
For example I have to evaluate 4u^-3 + u^-1.
Homework Equations
f'(1/u) = log u
f'(1/u) = ln u
The Attempt at a Solution
I put -2u^-2 + log(u) but the textbook solution shows the same answer except with ln.