imo class 12 determinants

For a 3×3 matrix A, A(adj A) equals:

VAVidaara Admin Asked 6d ago 0 views 0 answers

For a 3×3 matrix A, A(adj A) equals:

  • A. |A| I₃
  • B. adj A × A
  • C. I₃
  • D. 0

Answer: A) |A| I₃

Explanation: By property, A(adj A) = (adj A)A = |A|I.

0 Answers

Log in to post your own answer or join the discussion.

Discussion (0)

No comments yet — start the discussion.

← Back to all questions