Question

if possible using the elementary transformation find the inverse of [ 2 - 1 3 -5 3 1 -3 2 3 ] 3 by 3 matrix​

Answer 1

y+2x=7 ...(2)

y−x=1 ...(3)

I) x+2y=2

x 0 2

y 1 0

(0,1);(2,0)