A-Level
AQA
Further Mathematics
June 2019
QP-201906-Further Mathematics-UFP2 · Question 3
Question (excerpt):
*06* IB/M/Jun19/FM03 outside the box 3 The roots of the cubic equation 3z3 + 9z + r = 0 where r is real, are α, β and γ. 3 (a) (i) Write down the value of αβ + βγ + γα. [1 mark] αβ + βγ + γα = 3 (a) (…
*06* IB/M/Jun19/FM03 outside the box 3 The roots of the cubic equation 3z3 + 9z + r = 0 where r is real, are α, β and γ. 3 (a) (i) Write down the value of αβ + βγ + γα. [1 mark] αβ + βγ + γα = 3 (a) (…
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