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NDA 2011
Exam
NDA
Year
2011
Subject
Mathematics
Chapter
Quadratic Equation

NDA 2011 · Mathematics · Quadratic Equation

One of the roots of the equadratic equation a x^2+b x+c=0, a ≠ 0 is...

One of the roots of the equadratic equation ax2+bx+c=0,a≠0a x^2+b x+c=0, a \neq 0 is positive and the other root is negative. The condition for this to happen is

Options

  1. Aa>0,b>0,c>0a > 0, b > 0, c > 0
  2. Ba>0,b<0,c>0a > 0, b < 0, c > 0
  3. Ca<0,b>0,c<0a < 0, b > 0, c < 0
  4. Da<0,c>0a < 0, c > 0

Correct answer

D. a<0,c>0a < 0, c > 0

Step-by-step solution

The correct answer is option (D).
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