1. May 11, 2016 #1

   53Mark53

   

   1. The problem statement, all variables and given/known data
   
   Consider the equation z=6x8ln(x) where z and x are functions of t.If dx/dt=5 when x=e calculate dz/dt.
   
   2. Relevant equations
   
   Do I have to rearrange the equation to do this?
   
   
   3. The attempt at a solution

    

   53Mark53, May 11, 2016
2. 
   Phys.org - latest science and technology news stories on Phys.org

   • • Game over? Computer beats human champ in ancient Chinese game
   • • Simplifying solar cells with a new mix of materials
   • • Imaged 'jets' reveal cerium's post-shock inner strength
3. May 11, 2016 #2

   haruspex

   

   Science Advisor

   Homework Helper

   Insights Author

   Gold Member

   2016 Award

   Not sure what the 6x8 means. Is it 6 times 8? 6x⁸?

    

   haruspex, May 11, 2016
4. May 11, 2016 #3

   53Mark53

   

   its 6x^8

    

   53Mark53, May 11, 2016
5. May 11, 2016 #4

   Ray Vickson

   

   Science Advisor

   Homework Helper

   It is for problems like this one that the chain rule was invented.

    

   Ray Vickson, May 11, 2016
6. May 11, 2016 #5

   epenguin

   

   Homework Helper

   Gold Member

   At some point you will have to work out what (ln e) is. Possibly go back to basics and remind yourself what ln aka log_e means.

    

   Last edited: May 11, 2016

   epenguin, May 11, 2016

• Log in with Facebook
• Log in with Twitter

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in