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Can you find a family of all the curves having slope=1 at (1,1) on the x-y plane?

  1. Oct 15, 2011 #1
    Just a question that came to my mind while studying differential equations.

    Of-course this is a silly one (I think), but I wonder if someone can answer it!

    Thanks :smile:
     
  2. jcsd
  3. Oct 15, 2011 #2

    HallsofIvy

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    I'm not sure what you mean by "find" that family. A perfectly good answer is "the family of all f(x) such that f(1)= 1 and f'(1)= 1". But there are simply too many of them to be able to write a "formula".
     
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