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Class 10 Mathematics Quadratic Equations Methods of Solving Quadratic EquationsExpert

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If the sum of roots of (9x^2+px+36=0) is (-10), what is (p)?

Answer and explanation

Correct answer: (90)

The sum of roots is (-\frac{p}{9}), so (-\frac{p}{9}=-10) gives (p=90). In exams, remember the sum formula (-\frac{b}{a}).

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Quadratic Sum-Of-Roots Parameter Methods Of Solving Quadratic Equations Quadratic Equations Mathematics Class 10 Mcq

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