March 13th, 2009, 06:44 AM  #1 
Newbie Joined: Mar 2009 Posts: 1 Thanks: 0  Chain Rule, help please
Can someone help solve these equations, using the chain rule? f(x) = x^4 + 4 / x^4 d/dt = 3(t^3 + t^2) ^2 f(x) = (x2lnx)^4 Thank you! 
March 13th, 2009, 11:06 AM  #2 
Senior Member Joined: Sep 2008 Posts: 116 Thanks: 0  Re: Chain Rule, help please
I'm gussing you just want the dirivitives of each? 1) 2) 3) 

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