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NDA 2010
Exam
NDA
Year
2010
Subject
Mathematics
Chapter
Quadratic Equation

NDA 2010 · Mathematics · Quadratic Equation

If the equation x^2-b x+1=0 does not possess real roots, then which...

If the equation x2−bx+1=0x^2-b x+1=0 does not possess real roots, then which one of the following is correct?

Options

  1. A−3<b<3-3 < b < 3
  2. B−2<b<2-2 < b < 2
  3. Cb>2b > 2
  4. Db<−2b < -2

Correct answer

B. −2<b<2-2 < b < 2

Step-by-step solution

The correct answer is option (B).
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