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If this seems a waste of time, I gladly withdraw it.
You don't have to do that as long as you fix the row spacing in your comment!
I couldn't find the question you're referring to (I didn't search for very long), but I actually think academic advice should often be fair game on MO. However, there are two basic reasons I can think of (right now) that an academic advice question should be closed:
(btw, I've added a link to Physics Forums to the faq: http://mathoverflow.net/faq#homework)
+1 Anton.
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