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  1. J

    Solutions

    you need to differentiate the 5x.. hence 2 x 5 = 10...
  2. J

    Solutions

    isnt Q4c)iii) x^2 = ay – 3a^2? not x^2 = a(y-3)?
  3. J

    Solutions

    nah it's right.. im pretty sure anyway.. P.S. nice work phoenix88
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