JEE Main 2025 Mathematics question
If A, B and (adj(A) + adj(B)) are non-singular matrices of same order, then the inverse of A(adj(A) + adj(B))B, is equal to
Answer: (3)
Solution
Working through the matrix algebra gives .
If A, B and (adj(A) + adj(B)) are non-singular matrices of same order, then the inverse of A(adj(A) + adj(B))B, is equal to
Working through the matrix algebra gives .