If P is a two-rowed matrix satisfying `P' = P^(-1)`, then P can be

P is a 2xx2 matrix . P'=P^(-1) then P=……..

If P is an orthogonal matrix and Q=P A P^T an dx=P^T Q^1000 P then x^(-1) is , where A is involutary matrix. A b. I c. A^(1000) d. none of these

If P is an orthogonal matrix and Q=P A P^T an dx=P^T Q^1000 P then x^(-1) is , where A is involutary matrix. A b. I c. A^(1000) d. none of these

If P is an orthogonal matrix and Q=P A P^T an dx=P^T Q^1000 P then x^(-1) is , where A is involutary matrix. A b. I c. A^(1000) d. none of these

If P is a 3xx3 matrix such that P^(T)=2P+I where P^(T) is the transpose of P and I is the 3xx3 identity matrix,then there exists a column matrix,X=[[xyz]]!=[[000]] such that

If P is an orthogonal matrix and Q=P A P^T an dx=P^T A b. I c. A^(1000) d. none of these

If P is non-singular matrix, then value of adj (P^(-1)) in terms of P is

If P is non-singular matrix, then value of adj(P^(-1)) in terms of P is (A) P/|P| (B) P|P| (C) P (D) none of these

If P is non-singular matrix,then value of adj(P^(-1)) in terms of P is (A) (P)/(|P|) (B) P|P| (C) P( D ) none of these