Further MathematicsPolynomials and the remainder theoremWAEC
If α and β are the roots of x² − 5x + 6 = 0, find α² + β².
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Answer: B. 13
α² + β² = (α + β)² − 2αβ = 25 − 12 = 13.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.