Question

Put this matrix in Reduced Row Echelon Form. Make sure that you list the Elementary Row Operations that you use and show every step in order to solve this.

[ 1 2 1
-2 -3 1
3 5 0]

Answer 1

[1 0 -5
0 1 3
0 0 0]

Answer 2

give me a example of the hundred thousand digit of six-digit even numbers is 3 more than the thousand digit,which is twice the the ones digit.give at least four numbers that satisfy the given condition.