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NDA 2011
Exam
NDA
Year
2011
Subject
Mathematics
Chapter
Determinants

NDA 2011 · Mathematics · Determinants

The roots of the equation | array lll x & α & 1 β & x & 1 β & γ & 1...

The roots of the equation \left|xα1βx1βγ1\begin{array}{lll}x & \alpha & 1 \\ \beta & x & 1 \\ \beta & \gamma & 1\end{array}\right|=0$ are independent of

Options

  1. Aα\alpha
  2. Bβ\beta
  3. Cγ\gamma
  4. Dα,β\alpha, \beta and γ\gamma

Correct answer

A. α\alpha

Step-by-step solution

The correct answer is option A
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