• 1)

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  • 2)

    Edexcel C3 June 2014 – Q9
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    Part (a):

    Part (b):

    Part (c):

  • 3)

    Edexcel C1 June 2013 – Q8
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    Part (a):
    Part (b):
    Part (c):
    Part (d):
  • 4)

    OCR C3 June 2013 – Q8
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    Part (i):

    Part (ii)(a):

    Part (ii)(b):

  • 5)

    Edexcel C3 January 2013 – Q4
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  • 6)

    OCR C3 June 2012 – Q8
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    Parts (i) and (ii)(a):

    Part (ii)(b):

  • 7)

    Edexcel C3 June 2011 – Q8
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    Part (a):
    Part (b):
    Part (c):
  • 8)

    Edexcel C3 January 2011 – Q1
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    Part (a):
    Part (b):
    Part (c):