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NDA 2011
Exam
NDA
Year
2011
Subject
Mathematics
Chapter
Determinants

NDA 2011 · Mathematics · Determinants

| array ccc p & -q & 0 0 & p & q q & 0 & p array |=0 , then which...

\left|p−q00pqq0p\begin{array}{ccc}p & -q & 0 \\ 0 & p & q \\ q & 0 & p\end{array}$\right|=0, then which one of the following is correct?$

Options

  1. App is one of the cube roots of unity
  2. Bqq is one of the cube roots of unity
  3. Cpq\frac{p}{q} is one of the cube roots of unity
  4. DNone of these

Correct answer

C. pq\frac{p}{q} is one of the cube roots of unity

Step-by-step solution

The correct answer is option C
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