1. Feb 17, 2007 #1

   needhelpplz

   

   find y'' (double prime) for x^4+y^4=1

    

   needhelpplz, Feb 17, 2007
2. 
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3. Feb 17, 2007 #2

   Bitter

   

   Sounds like homework, so let me ask you, what do you think you should do?

    

   Bitter, Feb 17, 2007
4. Feb 17, 2007 #3

   needhelpplz

   

   i know first to find the y' then go on to find y" but i cant find y" i cat get the first part but not the second..

    

   needhelpplz, Feb 17, 2007
5. Feb 17, 2007 #4

   needhelpplz

   

   i know first to find the y' then go on to find y" but i cant find y" i can get the first part but not the second..

    

   needhelpplz, Feb 17, 2007
6. Feb 17, 2007 #5

   cristo

   

   Staff Emeritus

   Science Advisor

   What did you get for y'?

    

   cristo, Feb 17, 2007
7. Feb 17, 2007 #6

   Bitter

   

   Well, show us your work and we can point out your errors.

    

   Bitter, Feb 17, 2007

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