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Question
Determine the quadratic equation, whose sum and product of roots are – 9, 20
Solution
Sum of the roots = – 9 and Product of the roots = 20
The Quadratic equation is
x2 – (sum of the roots) x + product of the roots = 0
x2 – (– 9) x + 20 = 0
⇒ x2 + 9x + 20 = 0
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