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Posted by Pete on November 18, 2003 at 14:31:02:
In Reply to: Second class exam question posted by graham on November 17, 2003 at 13:20:21:
: I had the same question (No.1) on an exam I wrote about 12 years ago; I've never seen any written solution other than the one I came up with. I passed the exam so maybe it was the right one. Did you look through the Reed's book?