Practicing Success
Match List I with List II. "A is a non-singular matrix of order n."
Choose the correct answer from the options given below : |
A-IV, B-II, C-III, D-I A-IV, B-II, C-III, D-II A-III, B-II, C-IV, D-I A-II, B-II, C-III, D-IV |
A-IV, B-II, C-III, D-II |
The correct answer is Option (2) → A-IV, B-II, C-III, D-II (A) $|adj\, A|=$|A|^{n-1}$ (IV) (B) $(adj\, A)^{-1}$ $A\,adj\, A=|A|I$ so $(adj\, A)^{-1}=\frac{A}{|A|}$ (I) (C) $adj(adj\, A)=|A|^{n-2}A$ (III) (D) $|2A|=2^n|A|$ (II) |