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solve this =]

Discussion in 'Old Threads' started by ngjunhoong, Dec 22, 2010.

  1. ngjunhoong

    ngjunhoong Expert

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    9x + 7i < 3 ( 3x + u+2i)

    should get you a decent answer if you get it o_O.
    And always have term "i" on the left side.
     
    Last edited: Dec 22, 2010
    ngjunhoong, Dec 22, 2010
    #1
  2. snic

    snic Respected Member

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    what is u? what is i?
     
    snic, Dec 22, 2010
    #2
  3. ngjunhoong

    ngjunhoong Expert

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    just take it as an unknown :].
     
    ngjunhoong, Dec 22, 2010
    #3
  4. Enciel

    Enciel Proficient

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    is it 'i < 3u' ? (just guessing, didn't solve lol)
     
    Enciel, Dec 22, 2010
    #4
  5. snic

    snic Respected Member

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    mm i <3 u2 xD or i <3 7x more or what ever lol
     
    snic, Dec 22, 2010
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  6. Zee

    Zee Banned

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    It is , it's a well-known maths riddle ... And after you solve it you get i <3 u
     
    Zee, Dec 22, 2010
    #6
  7. ngjunhoong

    ngjunhoong Expert

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    yay xD ..you solved it:D
     
    ngjunhoong, Dec 22, 2010
    #7
  8. Dimitra

    Dimitra 安心。 Forum Legend

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    Are you sure it's right? I think it should have been 9x + 7i < 3 ( 3x + u+2i). :andy:


    Edit:     Oh yh you edited it.
     
    Last edited: Dec 22, 2010
    Dimitra, Dec 22, 2010
    #8
  9. Zee

    Zee Banned

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    You're right , and I'm amazed o.o;
     
    Zee, Dec 22, 2010
    #9
  10. Dimitra

    Dimitra 安心。 Forum Legend

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    Was that ironic or what?-.^
     
    Dimitra, Dec 22, 2010
    #10
  11. skindred

    skindred Expert

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    It's correct but "i" is not unknown i = sqrt(-1).
     
    skindred, Dec 22, 2010
    #11
  12. vexia

    vexia m e h

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    9x + 7i < 3 ( 3x + u+2i)
    9x + 7i < 9x +3 U + 6i
    7i < 9x + 3U + 6i - 9x
    7i < 3U + 6i
    cmiw hahaha

    maybe you mean this :
    Q:
    9x - 7i > 3(3x -7u)
    A:
    9x - 7i > 3(3x -7u)
    9x - 7i > 9x - 21 u
    9x - 9x -7i > -21 u
    -7i > -21 u
    i < -21 u / -7
    i<3 u
     
    Last edited: Dec 22, 2010
    vexia, Dec 22, 2010
    #12
    1 person likes this.
  13. Dimitra

    Dimitra 安心。 Forum Legend

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    Why did you get -6i in the last line when you got +6i in the 3d line? xD
     
    Dimitra, Dec 22, 2010
    #13
  14. skindred

    skindred Expert

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    Why is +6i in the end -6i :D?
     
    skindred, Dec 22, 2010
    #14
  15. vexia

    vexia m e h

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    lolsorry , edited :D
     
    vexia, Dec 22, 2010
    #15
  16. ngjunhoong

    ngjunhoong Expert

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    you got it :D
     
    ngjunhoong, Dec 22, 2010
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  17. Untouchable

    Untouchable Proficient

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    hahaha, math jokes? xD
     
    Untouchable, Dec 22, 2010
    #17
  18. CakeBaker

    CakeBaker Sports Enthusiast

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    oh god, math jokes. I die a bit whenever I see Fadey's status messages on msn. ;(
     
    Last edited: Dec 22, 2010
    CakeBaker, Dec 22, 2010
    #18

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