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Find the minor of 6 and cofactor of 4 respectively in the determinant Δ=|123456789| -

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Question

Find the minor of 6 and cofactor of 4 respectively in the determinant `Delta = abs ((1,2,3),(4,5,6),(7,8,9))`

Options

  • 6,6

  • 6,-6

  • -6,-6

  • -6,6

MCQ

Solution

-6,6

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