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How can 1=2 | 27 Oct 2009

Discussion in '$1 Daily Competition' started by shabbir, Oct 27, 2009.

  1. shabbir

    shabbir Administrator Staff Member

    If we have a = b then
    a^2 = ab
    a^2 – b^2 = ab – b^2
    (a + b) (a – b) = b (a – b)
    a + b = b
    2b = b as a=b
    2 = 1

    Which Law of Maths is violated if any ?
     
  2. rstruble

    rstruble New Member

    at (a+b)(a-b)=b(a-b), when you got result a+b=b you divided by zero. if a=b, then a-b=0.

    -RStruble
     
  3. Mridula

    Mridula New Member

    Is it commutative law?
    as if a = b then b=a right?
     
  4. SaswatPadhi

    SaswatPadhi ~ Б0ЯИ Τ0 С0δЭ ~

    Right ! :)
     
  5. rstruble

    rstruble New Member

    Sweet!!! I win! xD
     
  6. SaswatPadhi

    SaswatPadhi ~ Б0ЯИ Τ0 С0δЭ ~

    Congratz ... :happy:
     
  7. rstruble

    rstruble New Member

    My Alg II teacher taught me the same basic thing in 11th grade:

    x=1
    x*x=x*1
    x^2=x
    x^2-1=x-1
    (x+1)(x-1)=(x-1)
    x+1=1
    1+1=1
    2=1

    same thing, different variables
     
  8. SaswatPadhi

    SaswatPadhi ~ Б0ЯИ Τ0 С0δЭ ~

  9. shabbir

    shabbir Administrator Staff Member

    Yes you win :D
     

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