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