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Difficulty: Medium Type: Integer Type

Problem: If $\alpha$ and $\beta$ are the roots of the equation

$$x^2 - 5x + 6 = 0,$$

evaluate

$$\alpha^3 + \beta^3.$$

Numerical Answer: 20

Solution

Problem: If $\alpha$ and $\beta$ are the roots of the equation

$$x^2 - 5x + 6 = 0,$$

evaluate

$$\alpha^3 + \beta^3.$$