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anonymous

  • 5 years ago

Let f be a function of two variables and suppose that all the first order partial derivatives of f exist and are continuous at all points. Show that for the composite function w=xyf(xz,yz) the following equation holds: x(dw/dx)+y(dw/dy)-z(dw/dz) = 2w

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  1. anonymous
    • 5 years ago
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    are u comparing the derivative form? for example of w in comparison to x? before i answer the question, because there are many ways to do this, are u in high school or calc 1 university?

  2. anonymous
    • 5 years ago
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    Cal 3 university. This is a partial derivatives question

  3. anonymous
    • 5 years ago
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    kk, give me min to type it out.

  4. anonymous
    • 5 years ago
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    i just finished calc 3, had my exam yesterday haha

  5. anonymous
    • 5 years ago
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    Really? Mine is tomorrow at 9am

  6. anonymous
    • 5 years ago
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    good luck!!!! mine was pretty tough!

  7. anonymous
    • 5 years ago
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    I'm expecting it to be difficult. I understand most of the vector geometry stuff. Its the Taylor series stuff and implicit partial differentiation that is getting me.

  8. anonymous
    • 5 years ago
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    Thanks!

  9. anonymous
    • 5 years ago
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    this is a one slide ppt on partial derivatives that might help u that my prof posted up.

  10. anonymous
    • 5 years ago
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    see if that helps, cuz it would be extremily long to write out the proof.

  11. anonymous
    • 5 years ago
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    I'll give it a shot. Thanks.

  12. anonymous
    • 5 years ago
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    if it doesnt work let me know we'll work it out here.

  13. anonymous
    • 5 years ago
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    hey js lets chat

  14. anonymous
    • 5 years ago
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    we should get lik a really big chat group..... luv that song

  15. anonymous
    • 5 years ago
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    kk luv that

  16. anonymous
    • 5 years ago
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    hey js chat with us

  17. anonymous
    • 5 years ago
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    why dont u just chat in the group chat instead of in the problem chats?

  18. anonymous
    • 5 years ago
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    idk but we could do it that way 2

  19. anonymous
    • 5 years ago
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    Got it sorted. Thanks!

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spraguer (Moderator)
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