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The roots of (x^2+px+16=0) are equal and positive. What is the value of (p)?
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Answer and explanation
Correct answer: (-8)
For equal roots, (p^2-64=0) gives (p=\pm8). For equal positive roots, (-\frac{p}{2}>0), so (p=-8).
Frequently asked questions
What is the correct answer to this question?
(-8)
Why is this the correct answer?
For equal roots, (p^2-64=0) gives (p=\pm8). For equal positive roots, (-\frac{p}{2}>0), so (p=-8).
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Introduction to Quadratic Equations.
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