If the value of a third order determinant is 12, what is the value of the determinant formed by its cofactors? A. 12 B. 24 C. 144 D. 1728 Answer: C) 144 Explanation: The determinant of cofactors is |adj A|, which equals |A|^(n-1). For n=3, it is 12² = 144.

imo class 12 determinants

If the value of a third order determinant is 12, what is the value of the determinant formed by its cofactors?

VAVidaara Admin Asked 6d ago 0 views 0 answers

If the value of a third order determinant is 12, what is the value of the determinant formed by its cofactors?

Answer: C) 144

Explanation: The determinant of cofactors is |adj A|, which equals |A|^(n-1). For n=3, it is 12² = 144.

No comments yet — start the discussion.