1.

Let A*B=A^(T)B^(-1) where A^(T) represents transpose of matrix A and B^(-1) represents inverse of square matrix B. This operation is defined when the number of rows of A is equal to the number of rows of B. Matrix A is said to be orthogonal if A^(-1)=A^(T) If A*B is defined then choose the incorrect statement

Answer»

`(A*B)^(-1)=B*A` if `A` is SYMMETRIC matrix
`(A*B)^(T)=A*B^(-1)` if `B` is ORTHOGONAL matrix
`(A*B)^(T)=B^(-1)*A` if `A` is orthogonal matrix
`(A*B)^(-1)=B*A^(-1)` if `B` is symmetric matrix

Solution :NA


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