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  1. P

    Maths comp

    And the rest of the 'proof' is thus: Let the number be n We know that two of the 4 smallest divisors will be 1 and 2. If another is 3, then we have n = 1 + 4 + 9 + a^2 = 14 + a^2. a/n, so a/14 (as a/a^2). We check 7 and 14, and they don't work. Therefore 3 does not divide n We check...
  2. P

    No posting of Ruse Extension 2

    In the limit as x approaches infinity, x + x = 2x + 1 Therefore, in the limit as 2 approaches infinity, 2 + 2 = 5
  3. P

    No posting of Ruse Extension 2

    Yeah, I know now. I thought he was because he mentioned meeting chris at the talented students day and I saw Jordan there, and I didn't think many people from Wollongong would be there.
  4. P

    No posting of Ruse Extension 2

    Hmmm, are you Jordan? I'm Graham, I was just wondering why 'whitey'.
  5. P

    Maths comp

    If you were rigorously proving this, you'd have to first prove that f(a) = f(b) ==> a = b, but that isn't too hard. f(a) = f(b) Therefore f(f(a)) = f(f(b)) Therefore 6a - 2005 = 6b - 2005 Therefore a = b
  6. P

    FunniER Maths Jokes

    What do you get when you cross an elephant and a monkey? A vector with magnitude Elephant Monkey sin theta and perpendicular to both of them What do you get when you cross an elephant and a mountain climber? Don't be silly, you can't cross a vector and a scalar Also, see my sig.
  7. P

    Maths comp

    This is correct.
  8. P

    No posting of Ruse Extension 2

    Whitey? (Hmmm, apparently I need 10 characters)
  9. P

    paradox question

    In other words, half empty (which is the same as half full) is not the same as half of empty, because half of empty is still empty.
  10. P

    Maths comp

    It was pretty hard this year. For the senior, the last 5 answers were 80, 401, 20, 5 and 13. (The number for the last one is 130)
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