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Mathematics (AS & A Level) · Oct / Nov 2018 · Paper 21 · Question 4

9709

As printed in the paper

The question as text

x y O ! " The diagram shows the curve with equation y = x4 + 2x3 + 2x2 −12x −32. The curve crosses the x-axis at points with coordinates !, 0 and ", 0 .

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme
  • 4(i)[2]

  • 4(ii)[3]

  • 4(iii)[3]

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