Question

Evaluate the rank of the following matrices by reducing them to Echelon form :
x+2y-2z
-x+3y
-2y+x​

Answer 1

Answer:

x+2y-2z-x+3y-2y+x

x+x-x+2y+3y-2y+2z

2x-x+5y-2y+2z

x+3y+2z

that's the answer