Ax=b
a) calculate the nullspace Null(A) and
b) give the general solution of the system Ax=b or state that the system inconsistent.
For b) write in the form x= p+y where p is a particular solution and y ranges across Null (A)
A=1 1 0 2
2 1 1 -2
2 2 2 1
b= 12
0
14