answersLogoWhite

0

If you mean: y =(lnx)3

then:

dy/dx = [3(lnx)2]/x

ddy/dx = [(6lnx / x) - 3(lnx)2] / x2

If you mean: y = ln(x3)

Then:

dy/dx = 3x2/x3 = 3/x = 3x-1

ddy/dx = -3x-2 = -3/x2

User Avatar

Wiki User

14y ago

Still curious? Ask our experts.

Chat with our AI personalities

JudyJudy
Simplicity is my specialty.
Chat with Judy
MaxineMaxine
I respect you enough to keep it real.
Chat with Maxine
ReneRene
Change my mind. I dare you.
Chat with Rene

Add your answer:

Earn +20 pts
Q: What is the derivative and second derivative of lnx to the third power?
Write your answer...
Submit
Still have questions?
magnify glass
imp