2 votes 2 votes Any non-singular $k \times k$-matrix with real entries can be made singular by changing exactly one entry. Linear Algebra tifrmaths2011 linear-algebra matrix + – makhdoom ghaya asked Dec 10, 2015 makhdoom ghaya 880 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes let k=2 such that "ad-bc not equal to zero" that is" ad not equal to bc" concider 2.3 not equal to 3.5 now if replace 2 by 5 they become equal that is determinant is zero.so above statement is true Suresh Thakur answered Sep 14, 2017 Suresh Thakur comment Share Follow See all 0 reply Please log in or register to add a comment.