A-LevelMathematicsComplex numbersMay/June 2019Paper 3 Q57 Marks
Throughout this question the use of a calculator is not permitted. It is given that the complex number −1 + (√3)i is a root of the equation kx³ + 5x² + 10x + 4 = 0, where k is a real constant.
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The correct answer is —. This question tests the candidate's understanding of complex numbers within the Mathematicssyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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