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Topic: New Post at RME: Who Was George Polya's Intended Audience? (Or More Mathema
Replies: 9   Last Post: Sep 11, 2010 12:49 PM

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Chris Sangwin

Posts: 8
Registered: 12/6/04
Trick questions.
Posted: Sep 10, 2010 11:00 AM
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I am emailing to ask for some help in identifying "trick questions" in

** Definition:

A mathematics question/exercise/task is said to be a "trick question" if
the reasoning required to solve it is applicable only to the solution of
that question.


I am having some difficulty in identifying "trick questions". For
example, the task "Expand (x-a)(x-b)(x-c)...(x-z)" felt to me originally
to require a trick. But, on reflection, the reasoning is precisely that
needed to construct Lagrange polynomials (HINT!).

Can anyone identify a trick question? I'm struggling to do so.


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