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Math Help - PDE problem : diffusion equation! help!

  1. #1
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    PDE problem : diffusion equation! help!

    Hi all,

    I am stuggling with this question ...



    so far i have only tried part (a), but since i can't see how to do that so far...

    ok so what to do...

    do we first look at an 'associated problem' ? ... something like




    lol, this stuff is all quite confusing

    -Sarah
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  2. #2
    Junior Member
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    hmm ok i tryed some more and i come up with this answer:



    however i don't know how to simplify it from here, i have looked up integral tables and still no luck. any suggestions guys? lol assuming the answer is right in the first place! :P

    cheers
    -sarah
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  3. #3
    Junior Member
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    don't worry guys i worked it out!
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