posted by Marissa .
What is the derivative of:
I did (a) just by following chain rule:
so it's -3sin(3x)
Is that correct?
I'm not completely sure how to do (b). Would it just be like the derivative of 1/x? That's -1/(x^2), would it be -π/(x^2) ?
Math derivatives -
Both of your answers are correct. Nice job!