1 votes 1 votes If 2, – 4 are the eigen values of a non-singular matrix A and |A| = –8, then the eigen values of Adj A are x and –y then the value of x + y is _________. pream sagar asked Jan 7, 2019 pream sagar 1.1k views answer comment Share Follow See all 7 Comments See all 7 7 Comments reply Show 4 previous comments Lakshman Bhaiya commented Jan 7, 2019 reply Follow Share @pream sagar you did some mistake please check your comment. answer should be $-6$ 0 votes 0 votes pream sagar commented Jan 9, 2019 reply Follow Share actually you have taken x=−4 and −y=2⇒y=−2 ⇒x+y=−4−2=−6 and i have taken x=2 and -y=-4 ==>y=4 as they mention in question x and -y are eigen values of Adj matrix then x+y=6 0 votes 0 votes Lakshman Bhaiya commented Jan 9, 2019 i edited by Lakshman Bhaiya Jan 9, 2019 reply Follow Share @ pream sagar see my comment, I also take eigen value of adj(A) matrix. why you take $x=2$ and $-y=4?$ 0 votes 0 votes Please log in or register to add a comment.
