NumericalModerate1.5 marks
5(ii)
It is given that (x − 2) is a factor of polynomial 2x³ - 7x² + kx - 2 Find:
hence, factorise the resulting polynomial completely.
Topic: Remainder and factor theorem
Previous-year question practice database
Answer
Exam answer
2x³−7x²+7x−2 = (x−2)(2x−1)(x−1).
Explanation
Divide by x−2, obtaining 2x²−3x+1=(2x−1)(x−1).
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