I'm asked to differentiate .
Using the product rule, I know that .
What I'm confused about, is what to set and to in the above function. Would and ?
u and v are functions of x.
Since the derivative of a constant is zero, you can forget about the -3 at the end.
Also the multiplier 3 can be used as simply an external factor.
You could of course just multiply out the expression and differentiate term by term also.