2025 SMBSS P1 Q5

2025 SMBSS P1 Q5

Secondary 4
7 marks
  1. Find the values of \(m\) and \(n\) if \(\mathrm{f}(x)=2x^4-x^3-19x^2+mx+n\) has a factor of \(x^2-9\).[4]
  2. Hence, express \(\mathrm{f}(x)\) as the product of linear factors.[3]

Solution:

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Answer:(a) \(m=n=9\). (b) \((x-3)(x+3)(2x+1)(x-1)\).

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