SGSS 4AM Prelims P2 2022 Q4

SGSS 4AM Prelims P2 2022 Q4

Secondary 4
8 marks
  1. The equation of a polynomial is given by \(\mathrm{f}(x) = 3x^3 - 11x^2 + 7x + 1\).
    1. Find the remainder when \(\mathrm{f}(x)\) is divided by \(x + 2\).[1]
    2. Solve the equation \(3x^3 - 11x^2 + 7x + 1 = 0\).[7]

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Answer:(a) \(-81\) (b) \(x=1,\ \frac{4+\sqrt{19}}3,\ \frac{4-\sqrt{19}}3\)

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