3x_1 - 2x_2 + x_3 = 4
x_1 + x_2 - x_3 = 2
x_1 + x_3 = 1
2. The given linear equation system Ax = b above, please use the augmented matrix [A|I] to find A?¹.
a) Find adj(A) in Ax = b.
b) Use Cramer's rule to solve the system.
c) Let v1 v2 v3 be vectors R³ and A = [v1,v2,v3]. Determine whether {v1,v2,v3} are linearly dependent or linearly independent in R³.