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NDA 2011
Exam
NDA
Year
2011
Subject
Mathematics
Chapter
Quadratic Equation

NDA 2011 · Mathematics · Quadratic Equation

If p, q, r are rational numbers, then the roots of the equation...

If p,q,rp, q, r are rational numbers, then the roots of the equation x2−2px+p2−q2+2qr−r2=0x^2-2 p x+p^2-q^2+2 q r-r^2=0 are

Options

  1. Acomplex
  2. Bpure imaginary
  3. Cirrational
  4. Drational

Correct answer

D. rational

Step-by-step solution

The correct answer is option (D).
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