0 votes 0 votes https://www.facebook.com/photo.php?fbid=125621908008187&set=gm.635960336609180&type=3&theater plz solve this too_simple asked May 21, 2017 too_simple 231 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes symmetric matrices have orthogonal eigenvectors https://math.stackexchange.com/questions/82467/eigenvectors-of-real-symmetric-matrices-are-orthogonal so XT Y = 0 ie [x1 x2 x3] [y1 y2 y3]T = 0 so x1y1 + x2y2 + x3y3 = 0 pawan kumarln answered May 21, 2017 pawan kumarln comment Share Follow See all 0 reply Please log in or register to add a comment.
