Book
Linear Algebra
Author
Gilbert Strang
Edition
U=matrix([[4,4,8,8,],[0,1,2,2],[0,0,2,6],[0,0,0,2]]) U.determinant() A=U.transpose() A.det() B=U.inverse() B.det() U.swap_rows(0,3) U.swap_rows(1,2) U.det()
Solution by:
<Monica>, <Student>, <SNIST>