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Core 3 help please

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    Hello,,

    I've just completed a core 3 maths paper and got 82% so pleased ... There were a few questions however I didn't understand how they got the answers so wondered if you people could help....

    Its the June 2005 paper...

    Questions:

    2b... the simplifying part...
    4b
    6d
    and finally
    7d

    Any help explaining these questions would be greatly appreciated
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    You can find the past paper here... http://www.mathspapers.co.uk/edexcel.html
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    sorry thought I'd already posted where the paper was!
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    (Original post by notnek)
    What's the exam board? And do you have a link to the paper?
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    anyone?
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    (Original post by Gibberish)
    anyone?
    Happy to help if you show some working and try to be precise about where you are stuck.
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    what exam board?

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Updated: June 12, 2012
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