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NDA 2010
Exam
NDA
Year
2010
Subject
Mathematics
Chapter
Matrices

NDA 2010 · Mathematics · Matrices

If A is a square matrix, then what is adj A^T-(adj A)^T equal to ?

If AA is a square matrix, then what is adj AT−(adj⁡A)TA^T-(\operatorname{adj} A)^T equal to ?

Options

  1. A2∣A∣2|\mathrm{ A}|
  2. B2∣A∣I2|\mathrm{ A}| I
  3. CNull matrix
  4. DUnit matrix

Correct answer

C. Null matrix

Step-by-step solution

The correct answer is option (C).
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