question archive 3) Let A= (1 1 1) (0 1 1) (-1 01) and B=?(1 -1 1) (2−1−1) (-1 0 1) a)Find 2A−3B b) Find AB 4

Subject:MathPrice: Bought3

3) Let A= (1 1 1) (0 1 1) (-1 01) and B=?(1 -1 1) (2−1−1) (-1 0 1)

a)Find 2A−3B

b) Find AB

4. Use Gauss-Jordan method on the augmented matrix to solve the system.

3x+2y-z=4

-x+y+2z= -1

2x+3y+z=2