MathematicsPolynomialsJAMB
α and β are the roots of x² − 5x + 6 = 0. Find α² + β².
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Answer: A. 13
α + β = 5, αβ = 6; α² + β² = (α + β)² − 2αβ = 25 − 12 = 13.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.