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AP EAMCET2006MathematicsMatrices

If A is an invertible matrix of order n , then the determinant of adj A is equal to :

Options

  1. A|A|^n
  2. B|A|^ n+1
  3. C|A|^ n-1
  4. D|A|^ n+2

Correct answer

C. |A|^ n-1

Step-by-step solution

Since A is invertible matrix of order n , then the determinant of adj A=|A|^ n-1

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