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  1. C

    Q15

    15b iv... did people get pi/3 - root3 + 3? which equals 2.315 approx?
  2. C

    Q11

    Did people get 50/3 cm for f??
  3. C

    Q16

    Hi! so i can do worked solutions if people want but basically here was how to do 16c i. took me a solid 30min to work out how to do it. Anyways. equate the two graphs. so you get y + (y-c)^2 = R^2. y + y^2 - 2yc + c^2 - R^2 = 0 y^2 + y(1-2c) + (c^2 - R^2) = 0 now there are 2 equal...
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