• 1)

    Edexcel S1 June 2013 – Q6
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    Part (a):

    Part (b):

    Part (c):

  • 2)

    Edexcel S1 June 2012 – Q6
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    Part (a):

    Part (b):

    Part (c):

  • 3)

    Edexcel S1 June 2011 – Q2
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    Part (a):

    Part (b):

  • 4)

    Edexcel S1 January 2011 – Q8
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    Part (a):

    Part (b):

    Part (c):

  • 5)

    Edexcel S1 January 2010 – Q7
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    Parts (a) and (b):

    Part (c):

    Part (d):

  • 6)

    Edexcel S1 January 2008 – Q6
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    Parts (a) and (b):

    Part (c):

  • 7)

    Edexcel S1 June 2007 – Q6
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    Part (a):

    Part (b):