• 1)

    Edexcel C3 June 2014 – Q5
    View SolutionHelpful Tutorials

    Part (a):

    Part (b):

    Part (c) - Method 1:

    Part (c) - Method 2:

  • 2)

    OCR C3 June 2013 – Q7
    View Solution

    Part (i):

    Part (ii):

    Part (iii):

    Part (iv):