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PlatniumPiano PlatniumPiano is offline

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Visitor Messages

Showing Visitor Messages 391 to 395 of 395
  1. Eletj
    December 24th, 2008 01:43 PM
    Eletj
    Go and sign up at the OOC thread.
  2. Soul.
    December 24th, 2008 04:55 AM
    Soul.
    hey,do uknow about legend of dragoon?i really love that game very much!
  3. IIMarckus
    December 23rd, 2008 02:12 PM
    IIMarckus
    I was talking about this step:
    A(A+B-X)=-B(A+B-X)
    __________________
    (A+B-X)

    Which I assume translates to A(A + B − X) ÷ (A + B − X) = −B(A + B − X) ÷ (A + B − X). A = −B is a valid result from this step in all cases but one: when A + B − X = 0, because division by zero is undefined. Since the second line (A + B = X) specifically states that it is zero, the proof is invalid.

    You can see a similar error in this proof.
  4. IIMarckus
    December 22nd, 2008 10:59 PM
    IIMarckus
    The math in your signature is faulty…
    (A+B)A+B=X(A+B) should be (A+B)(A+B)=X(A+B), though this is probably just a typo.

    The real problem with the math is in the fourth step. A + B − X = 0, so what you actually have is
    A × 0 = B × 0

    Which is, of course, true. Then you try to divide by zero. However, 0 ÷ 0 ≠ 1! Division by zero is undefined.
  5. destinedjagold
    December 22nd, 2008 03:43 PM
    destinedjagold
    ya really don't need to say thanks though~
    but yeah, thanks for your thanks...

    sounds a bit funny...

    well, you are welcome.

About Me

  • About PlatniumPiano
    Biography
    ... ... ... ... ... ... ... ... ... ...
    Interests
    Hanging with friends, playing piano
    Location
    Yesterday
    Gender
    Male ♂
    Occupation
    ^_^
    Nature
    Lax
    Favorite Pokémon
    Sceptile, Feraligatr
    Olympics Region
    Sinnoh
  • Signature

    If you choose not to decide, you still have made a choice.

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  • Last Activity: December 27th, 2010 12:10 PM
  • Join Date: December 21st, 2008
  • Referrals: 1

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