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NDA2010MathematicsDeterminantsActual

x+i y= | array ccc 6 i & -3 i & 1 4 & 3 i & -1 20 & 3 & i array | then what is x - iy equal to?

Options

  1. A3+i
  2. B1+3 i
  3. C3 i
  4. D0

Correct answer

D. 0

Step-by-step solution

The correct answer is option (D).

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