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If the sum of roots of (3x^2+px+12=0) is (-5), what is (p)?
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Answer and explanation
Correct answer: (15)
The sum of roots is (-\frac{p}{3}), so (-\frac{p}{3}=-5) gives (p=15). In exams, remember the sum formula (-\frac{b}{a}).
Frequently asked questions
What is the correct answer to this question?
(15)
Why is this the correct answer?
The sum of roots is (-\frac{p}{3}), so (-\frac{p}{3}=-5) gives (p=15). In exams, remember the sum formula (-\frac{b}{a}).
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Methods of Solving Quadratic Equations.
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