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Surds Question

  1. Oct 17, 2005 #1
    Hey having a bit of trouble with this question, not sure what to do!

    QUESTION - express the fraction in the form a + b rootc / d


    3 + root24 / 2 + root6

    ------------------------------------------
    (3 + root24 / 2 + root 6) x (2 - root 6 / 2 - root 6)

    Simplifying gives

    (6 - 3root6 + 2root24 - root144) / -2

    (6 - 3root6 + 2 x 2root6 - root144) /-2

    is this right so far? the problem i am having is simplifying the root144 to a root6 inequality!
     
  2. jcsd
  3. Oct 17, 2005 #2

    Tide

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    HINT: [itex]\sqrt {144} = 12[/itex]
     
  4. Oct 17, 2005 #3
    D'oh!! that is so easy!!

    I think i tried to over complicate it! My Brain hurts!! I've stared at this piece of paper for the last 10mins!!

    Thanx a lot, i can carry on now!

    Forgive the stupidity!
     
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