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NDA2011MathematicsDeterminantsActual

| array ccc p & -q & 0 0 & p & q q & 0 & p array |=0 , then which one of the following is correct?

Options

  1. Ap is one of the cube roots of unity
  2. Bq is one of the cube roots of unity
  3. Cp q is one of the cube roots of unity
  4. DNone of these

Correct answer

C. p q is one of the cube roots of unity

Step-by-step solution

The correct answer is option C

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