CAPE Pure Mathematics Unit 1 · 2008 (Rest of Region) · Paper 1 · Question Q14
The general quadratic equation with roots \alpha and \beta may be written as
- (A)
x^2 - (\alpha + \beta)x - \alpha\beta = 0 - (B)
x^2 + (\alpha + \beta)x - \alpha\beta = 0 - (C)
x^2 - (\alpha + \beta)x + \alpha\beta = 0 - (D)
x^2 + (\alpha + \beta)x + \alpha\beta = 0
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