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If the roots of (x^2+px+16=0) are equal and both negative, what is the value of (p)?
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Answer and explanation
Correct answer: (8)
For equal roots, the roots are (-4) and (-4) because the product is (16). The sum is (-8), so (-p=-8) gives (p=8).
Frequently asked questions
What is the correct answer to this question?
(8)
Why is this the correct answer?
For equal roots, the roots are (-4) and (-4) because the product is (16). The sum is (-8), so (-p=-8) gives (p=8).
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Roots of a Quadratic Equation.
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