0 votes 0 votes #plz check??? Linear Algebra testbook-test-series test-series + – Hradesh patel asked Jan 27, 2017 retagged Jun 4, 2017 by Arjun Hradesh patel 304 views answer comment Share Follow See all 4 Comments See all 4 4 Comments reply Hradesh patel commented Jan 27, 2017 reply Follow Share is it correct answer given???????? 0 votes 0 votes Rahul Jain25 commented Jan 27, 2017 reply Follow Share (A-1)T and (AT)-1 both means the same the right since it is orthogonal???? And we can remove 1/2 is scalar so I think your B option and C option both seem correct to me. 1 votes 1 votes Sushant Gokhale commented Jan 27, 2017 reply Follow Share @Rahul. Orthogonal means A. AT = I So, A-1 = AT Hence, (1/2) . A-1 = (1/2) . AT , right? 0 votes 0 votes Rahul Jain25 commented Jan 27, 2017 reply Follow Share @sushant yes I think so. And B and C both are seemi g to be correct. 0 votes 0 votes Please log in or register to add a comment.