• Book	Linear Algebra
  Author	Gilbert Strang
  Edition

code_begins A=matrix(101,201,301],[102,202,302],[103,203,303) A.add_multiple_of_row(1,0,-1) A.add_multiple_of_row(2,0,-1) A.add_multiple_of_row(2,1,-2) A.det() t=var('t') B=matrix(1,t,t^2],[t,1,t],[t^2,t,1) B.add_multiple_of_row(2,1,-t) B.add_multiple_of_row(1,0,-t) B.det()

code_ends

• Solution by:

  • <monica>, <Student>, <SNIST>