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Paragraph: = | array lll a₁ & a₂ & a₃ b₁ & b₂ & b₃ d₁ & d₂ & d₃ array |M_ i j = Minor of the element of i ^ th row and j^ th column C_ i j = Cofactor of the element of i ^ th row and j ^ th column Question: a₃ M₁₃-b₃ M₂₃+d₃ M₃₃ is equal to

Options

  1. A0
  2. B4
  3. C2

Correct answer

3

Step-by-step solution

a₃ M₁₃-b₃ M₂₃+d₃ M₃₃=a₃ C₁₃+b₃ C₂₃+d₃ C₃₃= by definition

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