0 votes 0 votes If p is the eigenvalue of a n×n non-singular orthogonal matrix A, then prove that (1/p) is also an eigen-value. Raj_Choudhary asked Nov 29, 2017 Raj_Choudhary 171 views answer comment Share Follow See 1 comment See all 1 1 comment reply saxena0612 commented Nov 29, 2017 reply Follow Share In orthogonal matrix we know that AT = A-1 and therefore if one the of the eigen value of matrix nxn is p then eigen value of AT=1/p which is also considered. Reference : BS 1 votes 1 votes Please log in or register to add a comment.