• Let A & B be 3*3 matrix of real numbers , where A is symmetric & , B is skew symmetric, &(A+B)(A-B)=(A-B)(A+B).if (AB)^T _=(-1)^k AB,where (AB)^T is the transpose of the matrix AB, then the possible values of k are
  
  Ans=1&3

Ayush Anurag Sawal , 16 Years ago

Grade 12