Neco Model Questions Vol1 2019 Mathematics Question 32
Practice objective / multiple choice question 32 from the 2019 Neco Model Questions Vol1 Mathematics examination.
The quadratic equation \(x^{2} - kx + 6 = 0\) has two distinct real roots \(r_{1}\) and \(r_{2}\). It is known that the arithmetic mean of the squares of the roots equals 10. Find the positive value of \(k\) and then evaluate \(r_{1}^{3} + r_{2}^{3}\).
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About This Question
This is Neco Model Questions Vol1 2019 Mathematics Question 32. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Mathematics examination.
Difficulty level: Medium .
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