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Singapore GCE A-Level H2 Further Mathematics Practice Questions - Singapore SEAB GCE A-Level H2 Further Mathematics (Syllabus 9649) Exam

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The cubic equation $x^3 - 4x^2 + 5x - 2 = 0$ has roots $\alpha$, $\beta$, and $\gamma$. Find the value of $\alpha^2 + \beta^2 + \gamma^2$.
Correct Answer:
6

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