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Is this solution right or not ? Need yr backing

  1. Feb 17, 2012 #1
    Is this solution right or not ??? Need yr backing

    Hello guys,

    would you please check the solution attached with this post and whether it's right or wrong ???
    if wrong, what's the correct solution

    I'm looking forward to get yr backing ASAP
     

    Attached Files:

  2. jcsd
  3. Feb 17, 2012 #2

    chiro

    User Avatar
    Science Advisor

    Re: Is this solution right or not ??? Need yr backing

    Hey Mechano and welcome to the forums.

    Looks good to me with the chain rule and proper substitution but its been a while since I've done any vector calculus or line integrals, but based on the identities, the chain rule and the substitution looks good.

    Hopefully we can get a few more clarifications here just to be sure.
     
  4. Feb 17, 2012 #3
    Re: Is this solution right or not ??? Need yr backing

    I'm grateful your quick response Chiro, I"m agree with you, let's waiting the other clarification to be sure of solution's validity
     
  5. Feb 19, 2012 #4
    Re: Is this solution right or not ??? Need yr backing

    for the same problem above, can you help me to suggest solution to find

    [itex]\oint[/itex]gdf
     
  6. Feb 19, 2012 #5
    Re: Is this solution right or not ??? Need yr backing

    would you please check the attachment, I solved above question and I need your approval
     

    Attached Files:

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