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If the product of roots of (7x^2-15x+p=0) is (\frac{2}{7}), what is (p)?
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Answer and explanation
Correct answer: (2)
The product of roots is (\frac{p}{7}), so (\frac{p}{7}=\frac{2}{7}) gives (p=2). In exams, use the product formula (\frac{c}{a}).
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What is the correct answer to this question?
(2)
Why is this the correct answer?
The product of roots is (\frac{p}{7}), so (\frac{p}{7}=\frac{2}{7}) gives (p=2). In exams, use the product formula (\frac{c}{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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