NCERT Exercise 4.4 Q18 - Determinants
Question: If A is an invertible matrix of order 2, then det(A^{-1}) equals (A) det(A) (B) 1/det(A) (C) 1 (D) 0.
Answer: (B) 1/det(A).
Full step-by-step NCERT solution with diagrams on Something by Zero.
Question: If A is an invertible matrix of order 2, then det(A^{-1}) equals (A) det(A) (B) 1/det(A) (C) 1 (D) 0.
Answer: (B) 1/det(A).
Full step-by-step NCERT solution with diagrams on Something by Zero.