If `Aa n dB` are symmetric and commute, then which of the following is/are symmetric? `A^(-1)B` b. `A B^(-1)` c. `A^(-1)B^(-1)` d. none of these

Show that if A and B are symmetric and commute ,then A^(-1) B

Show that if A and B are symmetric and commute ,then AB^(-1)

Show that if A and B are symmetric and commute ,then A^(-1) B^(-1) are symmetric .

If P and Q are symmetric matrices and PQ=QP then which of the following is/are true (A) QP^(-1)=P^(-1)Q(B)PQ is skew symmetric (C) P^(-1)Q is symmetric (D) both (a) and (c)

If A is invertible then which of the following is not true? (A) A^-1=|A|^-1 (B) (A^\')^-1=(A^-1)\' (C) (A^2)^-1=(A^-1)^2 (D) none of these

If A and B are symmetric matrices of same order and commute also,then show that A^(-1)*B , A*B^(-1) and A^(-1)*B^(-1) are also symmetric

If A and B are symmetric matrices of same order and commute also,then show that A^(-1)B ,AB^(-1) and A^(-1)B^(-1) are also symmetric.

Which of the following is point symmetric? (a) Equilateral triangle (b) Trapezium (c) Rectangle (d) None of these

If A and B are symmetric matrices,then show that AB is symmetric iff AB=BA i.e.A and B commute.

If A is skew-symmetric and B=(I-A)^(-1)(I+A), then B is