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NDA 2010
Exam
NDA
Year
2010
Subject
Mathematics
Chapter
Determinants

NDA 2010 · Mathematics · Determinants

x+i y=| array ccc 6 i & -3 i & 1 4 & 3 i & -1 20 & 3 & i array |...

x+i y=\left|6i−3i143i−1203i\begin{array}{ccc} 6 i & -3 i & 1 \\ 4 & 3 i & -1 \\ 20 & 3 & i \end{array}\right| then what is xx - iy equal to?

Options

  1. A3+i3+i
  2. B1+3i1+3 i
  3. C3i3 i
  4. D0

Correct answer

D. 0

Step-by-step solution

The correct answer is option (D).
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